165007572 has 24 divisors (see below), whose sum is σ = 388428096. Its totient is φ = 54515328.

The previous prime is 165007567. The next prime is 165007597. The reversal of 165007572 is 275700561.

165007572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59488 + ... + 62199.

It is an arithmetic number, because the mean of its divisors is an integer number (16184504).

Almost surely, 2^165007572 is an apocalyptic number.

165007572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165007572 is an abundant number, since it is smaller than the sum of its proper divisors (223420524).

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

165007572 is a wasteful number, since it uses less digits than its factorization.

165007572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121807 (or 121805 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 165007572 is about 12845.5273149840. The cubic root of 165007572 is about 548.4890452069.

The spelling of 165007572 in words is "one hundred sixty-five million, seven thousand, five hundred seventy-two".