16679579237 has 4 divisors (see below), whose sum is σ = 16691302080. Its totient is φ = 16667856396.

The previous prime is 16679579209. The next prime is 16679579261. The reversal of 16679579237 is 73297597661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16679579237 - 2¹⁰ = 16679578213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16679579237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16679579207) 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, 5859287 + ... + 5862132.

It is an arithmetic number, because the mean of its divisors is an integer number (4172825520).

Almost surely, 2^16679579237 is an apocalyptic number.

It is an amenable number.

16679579237 is a deficient number, since it is larger than the sum of its proper divisors (11722843).

16679579237 is a wasteful number, since it uses less digits than its factorization.

16679579237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722842.

The product of its digits is 30005640, while the sum is 62.

The spelling of 16679579237 in words is "sixteen billion, six hundred seventy-nine million, five hundred seventy-nine thousand, two hundred thirty-seven".