16320560 has 20 divisors (see below), whose sum is σ = 37945488. Its totient is φ = 6528192.

The previous prime is 16320529. The next prime is 16320569. The reversal of 16320560 is 6502361.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (16320569) 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, 101924 + ... + 102083.

Almost surely, 2^16320560 is an apocalyptic number.

16320560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16320560 is an abundant number, since it is smaller than the sum of its proper divisors (21624928).

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

16320560 is a wasteful number, since it uses less digits than its factorization.

16320560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204020 (or 204014 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 16320560 is about 4039.8712850783. The cubic root of 16320560 is about 253.6559294423.

The spelling of 16320560 in words is "sixteen million, three hundred twenty thousand, five hundred sixty".