16993696 has 24 divisors (see below), whose sum is σ = 34171200. Its totient is φ = 8315328.

The previous prime is 16993651. The next prime is 16993703. The reversal of 16993696 is 69639961.

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, 4146 + ... + 7153.

It is an arithmetic number, because the mean of its divisors is an integer number (1423800).

Almost surely, 2^16993696 is an apocalyptic number.

16993696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16993696 is an abundant number, since it is smaller than the sum of its proper divisors (17177504).

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

16993696 is a wasteful number, since it uses less digits than its factorization.

16993696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356 (or 11348 counting only the distinct ones).

The product of its digits is 472392, while the sum is 49.

The square root of 16993696 is about 4122.3410824433. The cubic root of 16993696 is about 257.0963720792.

It can be divided in two parts, 16993 and 696, that added together give a square (17689 = 133²).

The spelling of 16993696 in words is "sixteen million, nine hundred ninety-three thousand, six hundred ninety-six".