116999631 has 24 divisors (see below), whose sum is σ = 193633440. Its totient is φ = 66686976.

The previous prime is 116999599. The next prime is 116999633. The reversal of 116999631 is 136999611.

116999631 is a `hidden beast` number, since 1 + 1 + 6 + 9 + 9 + 9 + 631 = 666.

It is not a de Polignac number, because 116999631 - 2⁵ = 116999599 is a prime.

It is a super-2 number, since 2×116999631² = 27377827308272322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116999633) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 25135 + ... + 29423.

It is an arithmetic number, because the mean of its divisors is an integer number (8068060).

Almost surely, 2^116999631 is an apocalyptic number.

116999631 is a deficient number, since it is larger than the sum of its proper divisors (76633809).

116999631 is a wasteful number, since it uses less digits than its factorization.

116999631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735 (or 4732 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 116999631 is about 10816.6367693475. The cubic root of 116999631 is about 489.0968104711.

The spelling of 116999631 in words is "one hundred sixteen million, nine hundred ninety-nine thousand, six hundred thirty-one".