16266560 has 28 divisors (see below), whose sum is σ = 38735508. Its totient is φ = 6506496.

The previous prime is 16266553. The next prime is 16266571. The reversal of 16266560 is 6566261.

It can be written as a sum of positive squares in 2 ways, for example, as 6927424 + 9339136 = 2632^2 + 3056^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25097 + ... + 25736.

It is an arithmetic number, because the mean of its divisors is an integer number (1383411).

Almost surely, 2^16266560 is an apocalyptic number.

16266560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16266560 is an abundant number, since it is smaller than the sum of its proper divisors (22468948).

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

16266560 is an equidigital number, since it uses as much as digits as its factorization.

16266560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50850 (or 50840 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 16266560 is about 4033.1823663207. The cubic root of 16266560 is about 253.3758623582.

The spelling of 16266560 in words is "sixteen million, two hundred sixty-six thousand, five hundred sixty".