165124893239056 has 20 divisors (see below), whose sum is σ = 319932296077212. Its totient is φ = 82561720057856.

The previous prime is 165124893238849. The next prime is 165124893239093. The reversal of 165124893239056 is 650932398421561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73346960432656 + 91777932806400 = 8564284^2 + 9580080^2 .

It is a super-2 number, since 2×165124893239056² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43532785 + ... + 47173648.

Almost surely, 2^{165124893239056} is an apocalyptic number.

165124893239056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165124893239056 is a deficient number, since it is larger than the sum of its proper divisors (154807402838156).

165124893239056 is a wasteful number, since it uses less digits than its factorization.

165124893239056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90820218 (or 90820212 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 64.

The spelling of 165124893239056 in words is "one hundred sixty-five trillion, one hundred twenty-four billion, eight hundred ninety-three million, two hundred thirty-nine thousand, fifty-six".