116639994 has 32 divisors (see below), whose sum is σ = 243809280. Its totient is φ = 37163952.

The previous prime is 116639989. The next prime is 116640023. The reversal of 116639994 is 499936611.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7317 + ... + 16935.

It is an arithmetic number, because the mean of its divisors is an integer number (7619040).

Almost surely, 2^116639994 is an apocalyptic number.

116639994 is an abundant number, since it is smaller than the sum of its proper divisors (127169286).

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

116639994 is a wasteful number, since it uses less digits than its factorization.

116639994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714.

The product of its digits is 314928, while the sum is 48.

The square root of 116639994 is about 10799.9997222222. Note that the first 3 decimals coincide. The cubic root of 116639994 is about 488.5951626093.

The spelling of 116639994 in words is "one hundred sixteen million, six hundred thirty-nine thousand, nine hundred ninety-four".