118662631 has 4 divisors (see below), whose sum is σ = 118710592. Its totient is φ = 118614672.

The previous prime is 118662623. The next prime is 118662653. The reversal of 118662631 is 136266811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136266811 = 67 ⋅2033833.

It is a cyclic number.

It is not a de Polignac number, because 118662631 - 2³ = 118662623 is a prime.

It is a super-2 number, since 2×118662631² = 28161639991684322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118662611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20055 + ... + 25288.

It is an arithmetic number, because the mean of its divisors is an integer number (29677648).

Almost surely, 2^118662631 is an apocalyptic number.

118662631 is a deficient number, since it is larger than the sum of its proper divisors (47961).

118662631 is an equidigital number, since it uses as much as digits as its factorization.

118662631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47960.

The product of its digits is 10368, while the sum is 34.

The square root of 118662631 is about 10893.2378565787. The cubic root of 118662631 is about 491.4032122729.

The spelling of 118662631 in words is "one hundred eighteen million, six hundred sixty-two thousand, six hundred thirty-one".