118500864 has 80 divisors (see below), whose sum is σ = 318193920. Its totient is φ = 39188480.

The previous prime is 118500841. The next prime is 118500871. The reversal of 118500864 is 468005811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274729 + ... + 275159.

It is an arithmetic number, because the mean of its divisors is an integer number (3977424).

Almost surely, 2^118500864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118500864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159096960).

118500864 is an abundant number, since it is smaller than the sum of its proper divisors (199693056).

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

118500864 is an equidigital number, since it uses as much as digits as its factorization.

118500864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 118500864 is about 10885.8102133006. The cubic root of 118500864 is about 491.1798086817.

The spelling of 118500864 in words is "one hundred eighteen million, five hundred thousand, eight hundred sixty-four".