165030311680 has 108 divisors (see below), whose sum is σ = 428046406200. Its totient is φ = 60934189056.

The previous prime is 165030311659. The next prime is 165030311711. The reversal of 165030311680 is 86113030561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165130 + ... + 597769.

It is an arithmetic number, because the mean of its divisors is an integer number (3963392650).

Almost surely, 2^165030311680 is an apocalyptic number.

165030311680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165030311680 is an abundant number, since it is smaller than the sum of its proper divisors (263016094520).

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

165030311680 is an equidigital number, since it uses as much as digits as its factorization.

165030311680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762946 (or 762919 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 165030311680 in words is "one hundred sixty-five billion, thirty million, three hundred eleven thousand, six hundred eighty".