165596790 has 16 divisors (see below), whose sum is σ = 397432368. Its totient is φ = 44159136.

The previous prime is 165596789. The next prime is 165596791. The reversal of 165596790 is 97695561.

It is an interprime number because it is at equal distance from previous prime (165596789) and next prime (165596791).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165596791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759917 + ... + 2759976.

It is an arithmetic number, because the mean of its divisors is an integer number (24839523).

Almost surely, 2^165596790 is an apocalyptic number.

165596790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165596790 is an abundant number, since it is smaller than the sum of its proper divisors (231835578).

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

165596790 is a wasteful number, since it uses less digits than its factorization.

165596790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519903.

The product of its (nonzero) digits is 510300, while the sum is 48.

The square root of 165596790 is about 12868.4416305938. The cubic root of 165596790 is about 549.1411278151.

The spelling of 165596790 in words is "one hundred sixty-five million, five hundred ninety-six thousand, seven hundred ninety".