16622560 has 48 divisors (see below), whose sum is σ = 40987296. Its totient is φ = 6358528.

The previous prime is 16622527. The next prime is 16622563. The reversal of 16622560 is 6522661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16622563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422 + ... + 5938.

It is an arithmetic number, because the mean of its divisors is an integer number (853902).

Almost surely, 2^16622560 is an apocalyptic number.

16622560 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 16622560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20493648).

16622560 is an abundant number, since it is smaller than the sum of its proper divisors (24364736).

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

16622560 is a wasteful number, since it uses less digits than its factorization.

16622560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 16622560 is about 4077.0773845979. The cubic root of 16622560 is about 255.2109493702.

The spelling of 16622560 in words is "sixteen million, six hundred twenty-two thousand, five hundred sixty".