165160557 has 12 divisors (see below), whose sum is σ = 238935840. Its totient is φ = 109936008.

The previous prime is 165160547. The next prime is 165160571. The reversal of 165160557 is 755061561.

165160557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165160557 - 2⁸ = 165160301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165160537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7993 + ... + 19854.

It is an arithmetic number, because the mean of its divisors is an integer number (19911320).

Almost surely, 2^165160557 is an apocalyptic number.

It is an amenable number.

165160557 is a deficient number, since it is larger than the sum of its proper divisors (73775283).

165160557 is a wasteful number, since it uses less digits than its factorization.

165160557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28512 (or 28509 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 165160557 is about 12851.4807318067. The cubic root of 165160557 is about 548.6585014257.

The spelling of 165160557 in words is "one hundred sixty-five million, one hundred sixty thousand, five hundred fifty-seven".