116139168 has 36 divisors (see below), whose sum is σ = 330271578. Its totient is φ = 38712960.

The previous prime is 116139151. The next prime is 116139187. The reversal of 116139168 is 861931611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 59166864 + 56972304 = 7692^2 + 7548^2 .

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 a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201343 + ... + 201918.

Almost surely, 2^116139168 is an apocalyptic number.

116139168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

116139168 is an abundant number, since it is smaller than the sum of its proper divisors (214132410).

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

116139168 is a wasteful number, since it uses less digits than its factorization.

116139168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403277 (or 403266 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 116139168 is about 10776.7883898683. The cubic root of 116139168 is about 487.8948532756.

The spelling of 116139168 in words is "one hundred sixteen million, one hundred thirty-nine thousand, one hundred sixty-eight".