126182881764 has 36 divisors (see below), whose sum is σ = 319765752124. Its totient is φ = 41955008832.

The previous prime is 126182881739. The next prime is 126182881787. The reversal of 126182881764 is 467188281621.

126182881764 is a `hidden beast` number, since 1 + 2 + 618 + 2 + 8 + 8 + 17 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64277460900 + 61905420864 = 253530^2 + 248808^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 126182881764.

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, 4400167 + ... + 4428750.

Almost surely, 2^126182881764 is an apocalyptic number.

It is an amenable number.

126182881764 is an abundant number, since it is smaller than the sum of its proper divisors (193582870360).

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

126182881764 is a wasteful number, since it uses less digits than its factorization.

126182881764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8829324 (or 8829319 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The spelling of 126182881764 in words is "one hundred twenty-six billion, one hundred eighty-two million, eight hundred eighty-one thousand, seven hundred sixty-four".