53931263166 has 24 divisors (see below), whose sum is σ = 127473895224. Its totient is φ = 16342806960.

The previous prime is 53931263147. The next prime is 53931263207. The reversal of 53931263166 is 66136213935.

53931263166 is a `hidden beast` number, since 5 + 3 + 9 + 3 + 1 + 2 + 631 + 6 + 6 = 666.

It is a super-2 number, since 2×53931263166² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136189861 + ... + 136190256.

It is an arithmetic number, because the mean of its divisors is an integer number (5311412301).

Almost surely, 2^53931263166 is an apocalyptic number.

53931263166 is an abundant number, since it is smaller than the sum of its proper divisors (73542632058).

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

53931263166 is a wasteful number, since it uses less digits than its factorization.

53931263166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272380136 (or 272380133 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The spelling of 53931263166 in words is "fifty-three billion, nine hundred thirty-one million, two hundred sixty-three thousand, one hundred sixty-six".