16261560 has 192 divisors, whose sum is σ = 62899200. Its totient is φ = 3701376.

The previous prime is 16261541. The next prime is 16261561. The reversal of 16261560 is 6516261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16261561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67921 + ... + 68159.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 2^16261560 is an apocalyptic number.

16261560 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 16261560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31449600).

16261560 is an abundant number, since it is smaller than the sum of its proper divisors (46637640).

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

16261560 is a wasteful number, since it uses less digits than its factorization.

16261560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16261560 is about 4032.5624607686. The cubic root of 16261560 is about 253.3498988860.

The spelling of 16261560 in words is "sixteen million, two hundred sixty-one thousand, five hundred sixty".