16938716 has 6 divisors (see below), whose sum is σ = 29642760. Its totient is φ = 8469356.

The previous prime is 16938707. The next prime is 16938743. The reversal of 16938716 is 61783961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117336 + ... + 2117343.

It is an arithmetic number, because the mean of its divisors is an integer number (4940460).

Almost surely, 2^16938716 is an apocalyptic number.

It is an amenable number.

16938716 is a deficient number, since it is larger than the sum of its proper divisors (12704044).

16938716 is a wasteful number, since it uses less digits than its factorization.

16938716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234683 (or 4234681 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 16938716 is about 4115.6671391161. The cubic root of 16938716 is about 256.8188097427.

The spelling of 16938716 in words is "sixteen million, nine hundred thirty-eight thousand, seven hundred sixteen".