118856666 has 32 divisors (see below), whose sum is σ = 195225600. Its totient is φ = 54062640.

The previous prime is 118856657. The next prime is 118856669. The reversal of 118856666 is 666658811.

It is a self number, because there is not a number n which added to its sum of digits gives 118856666.

It is not an unprimeable number, because it can be changed into a prime (118856669) 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, 191705 + ... + 192323.

It is an arithmetic number, because the mean of its divisors is an integer number (6100800).

Almost surely, 2^118856666 is an apocalyptic number.

118856666 is a deficient number, since it is larger than the sum of its proper divisors (76368934).

118856666 is a wasteful number, since it uses less digits than its factorization.

118856666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 414720, while the sum is 47.

The square root of 118856666 is about 10902.1404320436. The cubic root of 118856666 is about 491.6709109787.

The spelling of 118856666 in words is "one hundred eighteen million, eight hundred fifty-six thousand, six hundred sixty-six".