16279680 has 128 divisors (see below), whose sum is σ = 53121600. Its totient is φ = 4239360.

The previous prime is 16279651. The next prime is 16279691. The reversal of 16279680 is 8697261.

It is a tau number, because it is divible by the number of its divisors (128).

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, 117051 + ... + 117189.

Almost surely, 2^16279680 is an apocalyptic number.

16279680 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 16279680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26560800).

16279680 is an abundant number, since it is smaller than the sum of its proper divisors (36841920).

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

16279680 is a wasteful number, since it uses less digits than its factorization.

16279680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 16279680 is about 4034.8085456438. The cubic root of 16279680 is about 253.4439652221.

The spelling of 16279680 in words is "sixteen million, two hundred seventy-nine thousand, six hundred eighty".