165225746502 has 24 divisors (see below), whose sum is σ = 358008585480. Its totient is φ = 55072253760.

The previous prime is 165225746501. The next prime is 165225746509. The reversal of 165225746502 is 205647522561.

165225746502 is a `hidden beast` number, since 1 + 6 + 5 + 22 + 574 + 6 + 50 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165225746501) 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, 104149 + ... + 584207.

It is an arithmetic number, because the mean of its divisors is an integer number (14917024395).

Almost surely, 2^165225746502 is an apocalyptic number.

165225746502 is an abundant number, since it is smaller than the sum of its proper divisors (192782838978).

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

165225746502 is a wasteful number, since it uses less digits than its factorization.

165225746502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499188 (or 499185 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 165225746502 in words is "one hundred sixty-five billion, two hundred twenty-five million, seven hundred forty-six thousand, five hundred two".