16628313424 has 20 divisors (see below), whose sum is σ = 32223003444. Its totient is φ = 8312699648.

The previous prime is 16628313419. The next prime is 16628313463. The reversal of 16628313424 is 42431382661.

It can be written as a sum of positive squares in 2 ways, for example, as 15934517824 + 693795600 = 126232^2 + 26340^2 .

It is a super-3 number, since 3×16628313424³ (a number of 32 digits) contains 333 as substring.

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, 6234 + ... + 182470.

Almost surely, 2^16628313424 is an apocalyptic number.

It is an amenable number.

16628313424 is a deficient number, since it is larger than the sum of its proper divisors (15594690020).

16628313424 is a wasteful number, since it uses less digits than its factorization.

16628313424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182142 (or 182136 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The spelling of 16628313424 in words is "sixteen billion, six hundred twenty-eight million, three hundred thirteen thousand, four hundred twenty-four".