118664290 has 16 divisors (see below), whose sum is σ = 214611840. Its totient is φ = 47239920.

The previous prime is 118664279. The next prime is 118664327. The reversal of 118664290 is 92466811.

It is a happy 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, 26010 + ... + 30229.

It is an arithmetic number, because the mean of its divisors is an integer number (13413240).

Almost surely, 2^118664290 is an apocalyptic number.

118664290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118664290 is a deficient number, since it is larger than the sum of its proper divisors (95947550).

118664290 is a wasteful number, since it uses less digits than its factorization.

118664290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56457.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 118664290 is about 10893.3140044708. The cubic root of 118664290 is about 491.4055023343.

The spelling of 118664290 in words is "one hundred eighteen million, six hundred sixty-four thousand, two hundred ninety".