118066577631 has 16 divisors (see below), whose sum is σ = 157689473760. Its totient is φ = 78577430400.

The previous prime is 118066577623. The next prime is 118066577633. The reversal of 118066577631 is 136775660811.

It is not a de Polignac number, because 118066577631 - 2³ = 118066577623 is a prime.

It is a super-2 number, since 2×118066577631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118066577633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13095081 + ... + 13104093.

It is an arithmetic number, because the mean of its divisors is an integer number (9855592110).

Almost surely, 2^118066577631 is an apocalyptic number.

118066577631 is a deficient number, since it is larger than the sum of its proper divisors (39622896129).

118066577631 is an equidigital number, since it uses as much as digits as its factorization.

118066577631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15946.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 118066577631 in words is "one hundred eighteen billion, sixty-six million, five hundred seventy-seven thousand, six hundred thirty-one".