165357602745 has 32 divisors (see below), whose sum is σ = 265431890304. Its totient is φ = 87904588800.

The previous prime is 165357602713. The next prime is 165357602759. The reversal of 165357602745 is 547206753561.

It is not a de Polignac number, because 165357602745 - 2⁵ = 165357602713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6269185 + ... + 6295505.

It is an arithmetic number, because the mean of its divisors is an integer number (8294746572).

Almost surely, 2^165357602745 is an apocalyptic number.

165357602745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165357602745 is a deficient number, since it is larger than the sum of its proper divisors (100074287559).

165357602745 is a wasteful number, since it uses less digits than its factorization.

165357602745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27673.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 165357602745 in words is "one hundred sixty-five billion, three hundred fifty-seven million, six hundred two thousand, seven hundred forty-five".