687160102912 has 52 divisors (see below), whose sum is σ = 1374760566540. Its totient is φ = 343428005888.

The previous prime is 687160102883. The next prime is 687160102921. The reversal of 687160102912 is 219201061786.

It can be written as a sum of positive squares in 2 ways, for example, as 304068427776 + 383091675136 = 551424^2 + 618944^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9520014 + ... + 9591922.

Almost surely, 2^687160102912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 687160102912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687380283270).

687160102912 is an abundant number, since it is smaller than the sum of its proper divisors (687600463628).

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

687160102912 is an equidigital number, since it uses as much as digits as its factorization.

687160102912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74266 (or 74244 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 687160102912 in words is "six hundred eighty-seven billion, one hundred sixty million, one hundred two thousand, nine hundred twelve".