16979247312 has 80 divisors (see below), whose sum is σ = 47007288960. Its totient is φ = 5267344896.

The previous prime is 16979247281. The next prime is 16979247361. The reversal of 16979247312 is 21374297961.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166987 + ... + 248682.

It is an arithmetic number, because the mean of its divisors is an integer number (587591112).

Almost surely, 2^16979247312 is an apocalyptic number.

16979247312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16979247312 is an abundant number, since it is smaller than the sum of its proper divisors (30028041648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16979247312 is a wasteful number, since it uses less digits than its factorization.

16979247312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415740 (or 415734 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The spelling of 16979247312 in words is "sixteen billion, nine hundred seventy-nine million, two hundred forty-seven thousand, three hundred twelve".