Search a number
-
+
166880601468 = 223271275214367
BaseRepresentation
bin1001101101101011011…
…0111110010101111100
3120221202012021220210100
42123122312332111330
510213232413221333
6204355222241100
715025312464540
oct2333266762574
9527665256710
10166880601468
1164856826959
1228413b86190
13129768c9639
14811166da20
15451aa6e213
hex26dadbe57c

166880601468 has 72 divisors (see below), whose sum is σ = 485895667712. Its totient is φ = 47304728352.

The previous prime is 166880601463. The next prime is 166880601491. The reversal of 166880601468 is 864106088661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166880601463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2575180 + ... + 2639187.

Almost surely, 2166880601468 is an apocalyptic number.

166880601468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

166880601468 is an abundant number, since it is smaller than the sum of its proper divisors (319015066244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166880601468 is a wasteful number, since it uses less digits than its factorization.

166880601468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214511 (or 5214506 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 166880601468 in words is "one hundred sixty-six billion, eight hundred eighty million, six hundred one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 127 252 254 381 508 762 889 1143 1524 1778 2286 2667 3556 4572 5334 8001 10668 16002 32004 5214367 10428734 15643101 20857468 31286202 36500569 46929303 62572404 73001138 93858606 109501707 146002276 187717212 219003414 328505121 438006828 657010242 662224609 1314020484 1324449218 1986673827 2648898436 3973347654 4635572263 5960021481 7946695308 9271144526 11920042962 13906716789 18542289052 23840085924 27813433578 41720150367 55626867156 83440300734 166880601468