16997612 has 12 divisors (see below), whose sum is σ = 30153816. Its totient is φ = 8382240.

The previous prime is 16997557. The next prime is 16997623. The reversal of 16997612 is 21679961.

It is a self number, because there is not a number n which added to its sum of digits gives 16997612.

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, 28814 + ... + 29397.

It is an arithmetic number, because the mean of its divisors is an integer number (2512818).

Almost surely, 2^16997612 is an apocalyptic number.

It is an amenable number.

16997612 is a deficient number, since it is larger than the sum of its proper divisors (13156204).

16997612 is a wasteful number, since it uses less digits than its factorization.

16997612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58288 (or 58286 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 16997612 is about 4122.8160279110. The cubic root of 16997612 is about 257.1161188541.

The spelling of 16997612 in words is "sixteen million, nine hundred ninety-seven thousand, six hundred twelve".