Search a number
-
+
166050907 = 1143351059
BaseRepresentation
bin10011110010110…
…11110001011011
3102120110021000121
421321123301123
5320002112112
624251014111
74054260301
oct1171336133
9376407017
10166050907
1185805560
124773a337
132852b999
14180a6271
15e8a0407
hex9e5bc5b

166050907 has 8 divisors (see below), whose sum is σ = 185359680. Its totient is φ = 147444360.

The previous prime is 166050889. The next prime is 166050923. The reversal of 166050907 is 709050661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-166050907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166050947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175057 + ... + 176002.

It is an arithmetic number, because the mean of its divisors is an integer number (23169960).

Almost surely, 2166050907 is an apocalyptic number.

166050907 is a deficient number, since it is larger than the sum of its proper divisors (19308773).

166050907 is a wasteful number, since it uses less digits than its factorization.

166050907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351113.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 166050907 is about 12886.0741500272. The cubic root of 166050907 is about 549.6426405853.

The spelling of 166050907 in words is "one hundred sixty-six million, fifty thousand, nine hundred seven".

Divisors: 1 11 43 473 351059 3861649 15095537 166050907