16372979 has 4 divisors (see below), whose sum is σ = 18711984. Its totient is φ = 14033976.

The previous prime is 16372973. The next prime is 16372997. The reversal of 16372979 is 97927361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16372979 - 2⁴ = 16372963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16372973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169492 + ... + 1169505.

It is an arithmetic number, because the mean of its divisors is an integer number (4677996).

Almost surely, 2^16372979 is an apocalyptic number.

16372979 is a deficient number, since it is larger than the sum of its proper divisors (2339005).

16372979 is an equidigital number, since it uses as much as digits as its factorization.

16372979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339004.

The product of its digits is 142884, while the sum is 44.

The square root of 16372979 is about 4046.3537907603. The cubic root of 16372979 is about 253.9272064947.

The spelling of 16372979 in words is "sixteen million, three hundred seventy-two thousand, nine hundred seventy-nine".