16540560 has 60 divisors (see below), whose sum is σ = 55551132. Its totient is φ = 4410624.

The previous prime is 16540547. The next prime is 16540567. The reversal of 16540560 is 6504561.

It is a happy number.

16540560 is a `hidden beast` number, since 1 + 65 + 40 + 560 = 666.

16540560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7683984 + 8856576 = 2772^2 + 2976^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×16540560² = 547180250227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16540567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10767 + ... + 12206.

Almost surely, 2^16540560 is an apocalyptic number.

16540560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16540560 is an abundant number, since it is smaller than the sum of its proper divisors (39010572).

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

16540560 is a wasteful number, since it uses less digits than its factorization.

16540560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22992 (or 22983 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 16540560 is about 4067.0087287834. The cubic root of 16540560 is about 254.7906008739.

The spelling of 16540560 in words is "sixteen million, five hundred forty thousand, five hundred sixty".