16694972 has 24 divisors (see below), whose sum is σ = 33586560. Its totient is φ = 7112880.

The previous prime is 16694963. The next prime is 16694989. The reversal of 16694972 is 27949661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347 + ... + 6677.

It is an arithmetic number, because the mean of its divisors is an integer number (1399440).

Almost surely, 2^16694972 is an apocalyptic number.

It is an amenable number.

16694972 is an abundant number, since it is smaller than the sum of its proper divisors (16891588).

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

16694972 is a wasteful number, since it uses less digits than its factorization.

16694972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3519 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 16694972 is about 4085.9481151870. The cubic root of 16694972 is about 255.5809999730.

The spelling of 16694972 in words is "sixteen million, six hundred ninety-four thousand, nine hundred seventy-two".