53111631166 has 32 divisors (see below), whose sum is σ = 92061308160. Its totient is φ = 22711920000.

The previous prime is 53111631151. The next prime is 53111631187. The reversal of 53111631166 is 66113611135.

It is a super-2 number, since 2×53111631166² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890791 + ... + 948541.

It is an arithmetic number, because the mean of its divisors is an integer number (2876915880).

Almost surely, 2^53111631166 is an apocalyptic number.

53111631166 is a deficient number, since it is larger than the sum of its proper divisors (38949676994).

53111631166 is a wasteful number, since it uses less digits than its factorization.

53111631166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60240.

The product of its digits is 9720, while the sum is 34.

The spelling of 53111631166 in words is "fifty-three billion, one hundred eleven million, six hundred thirty-one thousand, one hundred sixty-six".