116464646640 has 80 divisors (see below), whose sum is σ = 361090201248. Its totient is φ = 31052955648.

The previous prime is 116464646633. The next prime is 116464646651. The reversal of 116464646640 is 46646464611.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 116464646640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956192 + ... + 2014848.

Almost surely, 2^116464646640 is an apocalyptic number.

116464646640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116464646640 is an abundant number, since it is smaller than the sum of its proper divisors (244625554608).

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

116464646640 is a wasteful number, since it uses less digits than its factorization.

116464646640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66946 (or 66940 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 116464646640 in words is "one hundred sixteen billion, four hundred sixty-four million, six hundred forty-six thousand, six hundred forty".