116381864 has 32 divisors (see below), whose sum is σ = 233127720. Its totient is φ = 54276096.

The previous prime is 116381849. The next prime is 116381873. The reversal of 116381864 is 468183611.

It can be written as a sum of positive squares in 4 ways, for example, as 111724900 + 4656964 = 10570^2 + 2158^2 .

It is a super-2 number, since 2×116381864² = 27089476536228992, which contains 22 as substring.

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, 11582 + ... + 19154.

Almost surely, 2^116381864 is an apocalyptic number.

It is an amenable number.

116381864 is an abundant number, since it is smaller than the sum of its proper divisors (116745856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116381864 is a wasteful number, since it uses less digits than its factorization.

116381864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709 (or 7705 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 116381864 is about 10788.0426398861. The cubic root of 116381864 is about 488.2344680855.

The spelling of 116381864 in words is "one hundred sixteen million, three hundred eighty-one thousand, eight hundred sixty-four".