16979760 has 160 divisors (see below), whose sum is σ = 66900480. Its totient is φ = 3877632.

The previous prime is 16979759. The next prime is 16979783. The reversal of 16979760 is 6797961.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14559 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (418128).

Almost surely, 2^16979760 is an apocalyptic number.

16979760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16979760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33450240).

16979760 is an abundant number, since it is smaller than the sum of its proper divisors (49920720).

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

16979760 is a wasteful number, since it uses less digits than its factorization.

16979760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1140 counting only the distinct ones).

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

The square root of 16979760 is about 4120.6504340941. The cubic root of 16979760 is about 257.0260739543.

The spelling of 16979760 in words is "sixteen million, nine hundred seventy-nine thousand, seven hundred sixty".