916668510000 has 100 divisors (see below), whose sum is σ = 2959128269592. Its totient is φ = 244444928000.

The previous prime is 916668509989. The next prime is 916668510029. The reversal of 916668510000 is 15866619.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 19 ways as a sum of consecutive naturals, for example, 15247809 + ... + 15307808.

Almost surely, 2^916668510000 is an apocalyptic number.

It is an amenable number.

916668510000 is an abundant number, since it is smaller than the sum of its proper divisors (2042459759592).

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

916668510000 is a wasteful number, since it uses less digits than its factorization.

916668510000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30555648 (or 30555627 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 916668510000 in words is "nine hundred sixteen billion, six hundred sixty-eight million, five hundred ten thousand".