16997607 has 24 divisors (see below), whose sum is σ = 27780480. Its totient is φ = 10299960.

The previous prime is 16997557. The next prime is 16997623. The reversal of 16997607 is 70679961.

It is not a de Polignac number, because 16997607 - 2¹⁹ = 16473319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16997627) 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 23 ways as a sum of consecutive naturals, for example, 507 + ... + 5852.

It is an arithmetic number, because the mean of its divisors is an integer number (1157520).

Almost surely, 2^16997607 is an apocalyptic number.

16997607 is a deficient number, since it is larger than the sum of its proper divisors (10782873).

16997607 is an equidigital number, since it uses as much as digits as its factorization.

16997607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385 (or 6373 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 16997607 is about 4122.8154215293. The cubic root of 16997607 is about 257.1160936431.

The spelling of 16997607 in words is "sixteen million, nine hundred ninety-seven thousand, six hundred seven".