16693944 has 16 divisors (see below), whose sum is σ = 41734920. Its totient is φ = 5564640.

The previous prime is 16693939. The next prime is 16693961. The reversal of 16693944 is 44939661.

It is a junction number, because it is equal to n+sod(n) for n = 16693896 and 16693905.

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, 347767 + ... + 347814.

Almost surely, 2^16693944 is an apocalyptic number.

It is an amenable number.

16693944 is an abundant number, since it is smaller than the sum of its proper divisors (25040976).

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

16693944 is a wasteful number, since it uses less digits than its factorization.

16693944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695590 (or 695586 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 16693944 is about 4085.8223162541. The cubic root of 16693944 is about 255.5757540291.

The spelling of 16693944 in words is "sixteen million, six hundred ninety-three thousand, nine hundred forty-four".