17680213608 has 32 divisors (see below), whose sum is σ = 45034509600. Its totient is φ = 5782207808.

The previous prime is 17680213591. The next prime is 17680213619. The reversal of 17680213608 is 80631208671.

It is a self number, because there is not a number n which added to its sum of digits gives 17680213608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6948498 + ... + 6951041.

It is an arithmetic number, because the mean of its divisors is an integer number (1407328425).

Almost surely, 2^17680213608 is an apocalyptic number.

It is an amenable number.

17680213608 is an abundant number, since it is smaller than the sum of its proper divisors (27354295992).

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

17680213608 is a wasteful number, since it uses less digits than its factorization.

17680213608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13899601 (or 13899597 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 17680213608 in words is "seventeen billion, six hundred eighty million, two hundred thirteen thousand, six hundred eight".