116645866264880 has 40 divisors (see below), whose sum is σ = 274634571220800. Its totient is φ = 46067734522368.

The previous prime is 116645866264859. The next prime is 116645866264913. The reversal of 116645866264880 is 88462668546611.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9228305885 + ... + 9228318524.

It is an arithmetic number, because the mean of its divisors is an integer number (6865864280520).

Almost surely, 2^{116645866264880} is an apocalyptic number.

116645866264880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116645866264880 is an abundant number, since it is smaller than the sum of its proper divisors (157988704955920).

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

116645866264880 is a wasteful number, since it uses less digits than its factorization.

116645866264880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18456624501 (or 18456624495 counting only the distinct ones).

The product of its (nonzero) digits is 637009920, while the sum is 71.

The spelling of 116645866264880 in words is "one hundred sixteen trillion, six hundred forty-five billion, eight hundred sixty-six million, two hundred sixty-four thousand, eight hundred eighty".