916685091684 has 96 divisors (see below), whose sum is σ = 2516839637760. Its totient is φ = 287536144896.

The previous prime is 916685091683. The next prime is 916685091691. The reversal of 916685091684 is 486190586619.

916685091684 is a `hidden beast` number, since 9 + 1 + 6 + 68 + 509 + 1 + 68 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (916685091683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10987294 + ... + 11070410.

It is an arithmetic number, because the mean of its divisors is an integer number (26217079560).

Almost surely, 2^916685091684 is an apocalyptic number.

It is an amenable number.

916685091684 is an abundant number, since it is smaller than the sum of its proper divisors (1600154546076).

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

916685091684 is a wasteful number, since it uses less digits than its factorization.

916685091684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89154 (or 89146 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 916685091684 in words is "nine hundred sixteen billion, six hundred eighty-five million, ninety-one thousand, six hundred eighty-four".