116643456 has 64 divisors (see below), whose sum is σ = 344270400. Its totient is φ = 38880000.

The previous prime is 116643389. The next prime is 116643463. The reversal of 116643456 is 654346611.

It is a happy number.

116643456 is a `hidden beast` number, since 1 + 1 + 6 + 643 + 4 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a self number, because there is not a number n which added to its sum of digits gives 116643456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13420 + ... + 20331.

It is an arithmetic number, because the mean of its divisors is an integer number (5379225).

Almost surely, 2^116643456 is an apocalyptic number.

116643456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

116643456 is an abundant number, since it is smaller than the sum of its proper divisors (227626944).

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

116643456 is an equidigital number, since it uses as much as digits as its factorization.

116643456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33774 (or 33756 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 116643456 is about 10800.1599988148. The cubic root of 116643456 is about 488.5999965707.

The spelling of 116643456 in words is "one hundred sixteen million, six hundred forty-three thousand, four hundred fifty-six".