16940560 has 120 divisors (see below), whose sum is σ = 49014720. Its totient is φ = 5331456.

The previous prime is 16940543. The next prime is 16940563. The reversal of 16940560 is 6504961.

It is a super-2 number, since 2×16940560² = 573965146227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16940563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94551 + ... + 94729.

It is an arithmetic number, because the mean of its divisors is an integer number (408456).

Almost surely, 2^16940560 is an apocalyptic number.

16940560 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 16940560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24507360).

16940560 is an abundant number, since it is smaller than the sum of its proper divisors (32074160).

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

16940560 is a wasteful number, since it uses less digits than its factorization.

16940560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 16940560 is about 4115.8911550234. The cubic root of 16940560 is about 256.8281287627.

It can be divided in two parts, 16940 and 560, that multiplied together give a square (9486400 = 3080²).

The spelling of 16940560 in words is "sixteen million, nine hundred forty thousand, five hundred sixty".