16908813516 has 24 divisors (see below), whose sum is σ = 45090169600. Its totient is φ = 4831089552.

The previous prime is 16908813491. The next prime is 16908813553. The reversal of 16908813516 is 61531880961.

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, 100647616 + ... + 100647783.

Almost surely, 2^16908813516 is an apocalyptic number.

It is an amenable number.

16908813516 is an abundant number, since it is smaller than the sum of its proper divisors (28181356084).

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

16908813516 is a wasteful number, since it uses less digits than its factorization.

16908813516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201295413 (or 201295411 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 16908813516 in words is "sixteen billion, nine hundred eight million, eight hundred thirteen thousand, five hundred sixteen".