118688157 has 12 divisors (see below), whose sum is σ = 195929760. Its totient is φ = 67821768.

The previous prime is 118688149. The next prime is 118688173. The reversal of 118688157 is 751886811.

It is not a de Polignac number, because 118688157 - 2³ = 118688149 is a prime.

It is a super-2 number, since 2×118688157² = 28173757224113298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118688107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 941907 + ... + 942032.

It is an arithmetic number, because the mean of its divisors is an integer number (16327480).

Almost surely, 2^118688157 is an apocalyptic number.

It is an amenable number.

118688157 is a deficient number, since it is larger than the sum of its proper divisors (77241603).

118688157 is a wasteful number, since it uses less digits than its factorization.

118688157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883952 (or 1883949 counting only the distinct ones).

The product of its digits is 107520, while the sum is 45.

The square root of 118688157 is about 10894.4094378723. The cubic root of 118688157 is about 491.4384456596.

The spelling of 118688157 in words is "one hundred eighteen million, six hundred eighty-eight thousand, one hundred fifty-seven".