116691856 has 20 divisors (see below), whose sum is σ = 226302604. Its totient is φ = 58291200.

The previous prime is 116691851. The next prime is 116691877. The reversal of 116691856 is 658196611.

It can be written as a sum of positive squares in 2 ways, for example, as 74649600 + 42042256 = 8640^2 + 6484^2 .

It is not an unprimeable number, because it can be changed into a prime (116691851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18376 + ... + 23896.

Almost surely, 2^116691856 is an apocalyptic number.

116691856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

116691856 is a deficient number, since it is larger than the sum of its proper divisors (109610748).

116691856 is a wasteful number, since it uses less digits than its factorization.

116691856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850 (or 6844 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 116691856 is about 10802.4004739687. The cubic root of 116691856 is about 488.6675670701.

The spelling of 116691856 in words is "one hundred sixteen million, six hundred ninety-one thousand, eight hundred fifty-six".