16920841624 has 32 divisors (see below), whose sum is σ = 32099619600. Its totient is φ = 8361041920.

The previous prime is 16920841559. The next prime is 16920841643. The reversal of 16920841624 is 42614802961.

It is a congruent number.

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, 1711704 + ... + 1721560.

Almost surely, 2^16920841624 is an apocalyptic number.

It is an amenable number.

16920841624 is a deficient number, since it is larger than the sum of its proper divisors (15178777976).

16920841624 is a wasteful number, since it uses less digits than its factorization.

16920841624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12363 (or 12359 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 16920841624 in words is "sixteen billion, nine hundred twenty million, eight hundred forty-one thousand, six hundred twenty-four".