165772096 has 42 divisors (see below), whose sum is σ = 382668018. Its totient is φ = 71043840.

The previous prime is 165772069. The next prime is 165772111. The reversal of 165772096 is 690277561.

It can be written as a sum of positive squares in only one way, i.e., 150405696 + 15366400 = 12264^2 + 3920^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23295 + ... + 29566.

Almost surely, 2^165772096 is an apocalyptic number.

165772096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165772096 is an abundant number, since it is smaller than the sum of its proper divisors (216895922).

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

165772096 is an equidigital number, since it uses as much as digits as its factorization.

165772096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52887 (or 52870 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 165772096 is about 12875.2512985184. The cubic root of 165772096 is about 549.3348388643.

The spelling of 165772096 in words is "one hundred sixty-five million, seven hundred seventy-two thousand, ninety-six".