16721462424 has 16 divisors (see below), whose sum is σ = 41803656120. Its totient is φ = 5573820800.

The previous prime is 16721462413. The next prime is 16721462431. The reversal of 16721462424 is 42426412761.

It is a congruent number.

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, 348363777 + ... + 348363824.

Almost surely, 2^16721462424 is an apocalyptic number.

It is an amenable number.

16721462424 is an abundant number, since it is smaller than the sum of its proper divisors (25082193696).

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

16721462424 is a wasteful number, since it uses less digits than its factorization.

16721462424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696727610 (or 696727606 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The spelling of 16721462424 in words is "sixteen billion, seven hundred twenty-one million, four hundred sixty-two thousand, four hundred twenty-four".