913680403616 has 24 divisors (see below), whose sum is σ = 1815311129940. Its totient is φ = 452649005568.

The previous prime is 913680403523. The next prime is 913680403621. The reversal of 913680403616 is 616304086319.

It can be written as a sum of positive squares in 2 ways, for example, as 910764835600 + 2915568016 = 954340^2 + 53996^2 .

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, 130971341 + ... + 130978316.

Almost surely, 2^913680403616 is an apocalyptic number.

It is an amenable number.

913680403616 is a deficient number, since it is larger than the sum of its proper divisors (901630726324).

913680403616 is a wasteful number, since it uses less digits than its factorization.

913680403616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261949776 (or 261949768 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 913680403616 in words is "nine hundred thirteen billion, six hundred eighty million, four hundred three thousand, six hundred sixteen".