116139664 has 20 divisors (see below), whose sum is σ = 232780860. Its totient is φ = 56067200.

The previous prime is 116139629. The next prime is 116139691. The reversal of 116139664 is 466931611.

It can be written as a sum of positive squares in 2 ways, for example, as 80856064 + 35283600 = 8992^2 + 5940^2 .

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, 124687 + ... + 125614.

It is an arithmetic number, because the mean of its divisors is an integer number (11639043).

Almost surely, 2^116139664 is an apocalyptic number.

It is an amenable number.

116139664 is an abundant number, since it is smaller than the sum of its proper divisors (116641196).

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

116139664 is a wasteful number, since it uses less digits than its factorization.

116139664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250338 (or 250332 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 116139664 is about 10776.8114022655. The cubic root of 116139664 is about 487.8955478317.

The spelling of 116139664 in words is "one hundred sixteen million, one hundred thirty-nine thousand, six hundred sixty-four".