165131303487612 has 96 divisors (see below), whose sum is σ = 490185687667200. Its totient is φ = 42891247647360.

The previous prime is 165131303487569. The next prime is 165131303487677. The reversal of 165131303487612 is 216784303131561.

165131303487612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1823562193 + ... + 1823652744.

It is an arithmetic number, because the mean of its divisors is an integer number (5106100913200).

Almost surely, 2^{165131303487612} is an apocalyptic number.

165131303487612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165131303487612 is an abundant number, since it is smaller than the sum of its proper divisors (325054384179588).

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

165131303487612 is a wasteful number, since it uses less digits than its factorization.

165131303487612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647214976 (or 3647214960 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 165131303487612 in words is "one hundred sixty-five trillion, one hundred thirty-one billion, three hundred three million, four hundred eighty-seven thousand, six hundred twelve".