Search a number
-
+
1066160605 = 5353604057
BaseRepresentation
bin111111100011000…
…101000111011101
32202022011120101211
4333203011013131
54140414114410
6253443304421
735264133646
oct7743050735
92668146354
101066160605
114a7902274
1225907b111
1313cb63283
14a18506cd
15638ee68a
hex3f8c51dd

1066160605 has 8 divisors (see below), whose sum is σ = 1283019192. Its totient is φ = 850510848.

The previous prime is 1066160603. The next prime is 1066160629. The reversal of 1066160605 is 5060616601.

It can be written as a sum of positive squares in 4 ways, for example, as 105966436 + 960194169 = 10294^2 + 30987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066160605 - 21 = 1066160603 is a prime.

It is a super-2 number, since 2×10661606052 = 2273396871307932050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066160603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300264 + ... + 303793.

It is an arithmetic number, because the mean of its divisors is an integer number (160377399).

Almost surely, 21066160605 is an apocalyptic number.

It is an amenable number.

1066160605 is a deficient number, since it is larger than the sum of its proper divisors (216858587).

1066160605 is an equidigital number, since it uses as much as digits as its factorization.

1066160605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604415.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1066160605 is about 32652.1148625935. The cubic root of 1066160605 is about 1021.5843010360.

The spelling of 1066160605 in words is "one billion, sixty-six million, one hundred sixty thousand, six hundred five".

Divisors: 1 5 353 1765 604057 3020285 213232121 1066160605