116081568 has 36 divisors (see below), whose sum is σ = 330107778. Its totient is φ = 38693760.

The previous prime is 116081557. The next prime is 116081599. The reversal of 116081568 is 865180611.

116081568 is a `hidden beast` number, since 1 + 16 + 0 + 81 + 568 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70761744 + 45319824 = 8412^2 + 6732^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 201243 + ... + 201818.

Almost surely, 2^116081568 is an apocalyptic number.

116081568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

116081568 is an abundant number, since it is smaller than the sum of its proper divisors (214026210).

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

116081568 is a wasteful number, since it uses less digits than its factorization.

116081568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403077 (or 403066 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 116081568 is about 10774.1156481634. The cubic root of 116081568 is about 487.8141816951.

It can be divided in two parts, 1160 and 81568, that added together give a palindrome (82728).

The spelling of 116081568 in words is "one hundred sixteen million, eighty-one thousand, five hundred sixty-eight".