16630560 has 72 divisors (see below), whose sum is σ = 56756700. Its totient is φ = 4434432.

The previous prime is 16630547. The next prime is 16630577. The reversal of 16630560 is 6503661.

16630560 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 15776784 + 853776 = 3972^2 + 924^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4335 + ... + 7214.

Almost surely, 2^16630560 is an apocalyptic number.

16630560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16630560 is an abundant number, since it is smaller than the sum of its proper divisors (40126140).

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

16630560 is a wasteful number, since it uses less digits than its factorization.

16630560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11570 (or 11559 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 16630560 is about 4078.0583615245. The cubic root of 16630560 is about 255.2518849049.

The spelling of 16630560 in words is "sixteen million, six hundred thirty thousand, five hundred sixty".