16992207 has 8 divisors (see below), whose sum is σ = 25173680. Its totient is φ = 11328120.

The previous prime is 16992203. The next prime is 16992223. The reversal of 16992207 is 70229961.

It is not a de Polignac number, because 16992207 - 2² = 16992203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16992203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314644 + ... + 314697.

It is an arithmetic number, because the mean of its divisors is an integer number (3146710).

Almost surely, 2^16992207 is an apocalyptic number.

16992207 is a deficient number, since it is larger than the sum of its proper divisors (8181473).

16992207 is an equidigital number, since it uses as much as digits as its factorization.

16992207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629350 (or 629344 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 16992207 is about 4122.1604772255. The cubic root of 16992207 is about 257.0888628695.

The spelling of 16992207 in words is "sixteen million, nine hundred ninety-two thousand, two hundred seven".