165992576000 has 88 divisors (see below), whose sum is σ = 414115485576. Its totient is φ = 66396979200.

The previous prime is 165992575981. The next prime is 165992576059. The reversal of 165992576000 is 675299561.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39438782464 + 126553793536 = 198592^2 + 355744^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 165992576000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520409 + ... + 776408.

Almost surely, 2^165992576000 is an apocalyptic number.

165992576000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165992576000 is an abundant number, since it is smaller than the sum of its proper divisors (248122909576).

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

165992576000 is an equidigital number, since it uses as much as digits as its factorization.

165992576000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296852 (or 1296824 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 165992576000 in words is "one hundred sixty-five billion, nine hundred ninety-two million, five hundred seventy-six thousand".