16993716 has 12 divisors (see below), whose sum is σ = 39652032. Its totient is φ = 5664568.

The previous prime is 16993703. The next prime is 16993741. The reversal of 16993716 is 61739961.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708060 + ... + 708083.

It is an arithmetic number, because the mean of its divisors is an integer number (3304336).

Almost surely, 2^16993716 is an apocalyptic number.

It is an amenable number.

16993716 is an abundant number, since it is smaller than the sum of its proper divisors (22658316).

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

16993716 is a wasteful number, since it uses less digits than its factorization.

16993716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416150 (or 1416148 counting only the distinct ones).

The product of its digits is 61236, while the sum is 42.

The square root of 16993716 is about 4122.3435082487. The cubic root of 16993716 is about 257.0964729387.

The spelling of 16993716 in words is "sixteen million, nine hundred ninety-three thousand, seven hundred sixteen".