118215964 has 12 divisors (see below), whose sum is σ = 207070024. Its totient is φ = 59053104.

The previous prime is 118215959. The next prime is 118215971. The reversal of 118215964 is 469512811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8667 + ... + 17650.

Almost surely, 2^118215964 is an apocalyptic number.

It is an amenable number.

118215964 is a deficient number, since it is larger than the sum of its proper divisors (88854060).

118215964 is a wasteful number, since it uses less digits than its factorization.

118215964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27444 (or 27442 counting only the distinct ones).

The product of its digits is 17280, while the sum is 37.

The square root of 118215964 is about 10872.7164958901. The cubic root of 118215964 is about 490.7858609964.

The spelling of 118215964 in words is "one hundred eighteen million, two hundred fifteen thousand, nine hundred sixty-four".