16992297 has 12 divisors (see below), whose sum is σ = 28050880. Its totient is φ = 9709848.

The previous prime is 16992293. The next prime is 16992317. The reversal of 16992297 is 79229961.

It is not a de Polignac number, because 16992297 - 2² = 16992293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16992293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134797 + ... + 134922.

Almost surely, 2^16992297 is an apocalyptic number.

It is an amenable number.

16992297 is a deficient number, since it is larger than the sum of its proper divisors (11058583).

16992297 is a wasteful number, since it uses less digits than its factorization.

16992297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269732 (or 269729 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 16992297 is about 4122.1713938166. The cubic root of 16992297 is about 257.0893167630.

Adding to 16992297 its product of digits (122472), we get a square (17114769 = 4137²).

The spelling of 16992297 in words is "sixteen million, nine hundred ninety-two thousand, two hundred ninety-seven".