16979207 has 16 divisors (see below), whose sum is σ = 20197632. Its totient is φ = 13970880.

The previous prime is 16979201. The next prime is 16979213. The reversal of 16979207 is 70297961.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16979201) and next prime (16979213).

It is not a de Polignac number, because 16979207 - 2⁴ = 16979191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16979201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18788 + ... + 19670.

It is an arithmetic number, because the mean of its divisors is an integer number (1262352).

Almost surely, 2^16979207 is an apocalyptic number.

16979207 is a deficient number, since it is larger than the sum of its proper divisors (3218425).

16979207 is an equidigital number, since it uses as much as digits as its factorization.

16979207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 16979207 is about 4120.5833324907. The cubic root of 16979207 is about 257.0232836329.

The spelling of 16979207 in words is "sixteen million, nine hundred seventy-nine thousand, two hundred seven".