16993368 has 64 divisors (see below), whose sum is σ = 53952000. Its totient is φ = 4854816.

The previous prime is 16993349. The next prime is 16993369. The reversal of 16993368 is 86339961.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16993369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4108 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (843000).

Almost surely, 2^16993368 is an apocalyptic number.

16993368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16993368 is an abundant number, since it is smaller than the sum of its proper divisors (36958632).

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

16993368 is a wasteful number, since it uses less digits than its factorization.

16993368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261 (or 11251 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 16993368 is about 4122.3012990319. The cubic root of 16993368 is about 257.0947179727.

The spelling of 16993368 in words is "sixteen million, nine hundred ninety-three thousand, three hundred sixty-eight".