118066665 has 16 divisors (see below), whose sum is σ = 198849600. Its totient is φ = 59654592.

The previous prime is 118066643. The next prime is 118066699. The reversal of 118066665 is 566660811.

It is not a de Polignac number, because 118066665 - 2⁵ = 118066633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206850 + ... + 207419.

It is an arithmetic number, because the mean of its divisors is an integer number (12428100).

Almost surely, 2^118066665 is an apocalyptic number.

118066665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118066665 is a deficient number, since it is larger than the sum of its proper divisors (80782935).

118066665 is a wasteful number, since it uses less digits than its factorization.

118066665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414296.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 118066665 is about 10865.8485632738. The cubic root of 118066665 is about 490.5791638519.

The spelling of 118066665 in words is "one hundred eighteen million, sixty-six thousand, six hundred sixty-five".