16315560 has 64 divisors (see below), whose sum is σ = 54388800. Its totient is φ = 4350528.

The previous prime is 16315531. The next prime is 16315561. The reversal of 16315560 is 6551361.

It is a happy number.

It is a super-4 number, since 4×16315560⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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

It is not an unprimeable number, because it can be changed into a prime (16315561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6474 + ... + 8633.

It is an arithmetic number, because the mean of its divisors is an integer number (849825).

Almost surely, 2^16315560 is an apocalyptic number.

16315560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16315560 is an abundant number, since it is smaller than the sum of its proper divisors (38073240).

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

16315560 is a wasteful number, since it uses less digits than its factorization.

16315560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15127 (or 15117 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 16315560 is about 4039.2524060771. The cubic root of 16315560 is about 253.6300232809.

The spelling of 16315560 in words is "sixteen million, three hundred fifteen thousand, five hundred sixty".