16004560551 has 16 divisors (see below), whose sum is σ = 24415425024. Its totient is φ = 9135141984.

The previous prime is 16004560543. The next prime is 16004560553. The reversal of 16004560551 is 15506540061.

It is not a de Polignac number, because 16004560551 - 2³ = 16004560543 is a prime.

It is a super-2 number, since 2×16004560551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16004560553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410980 + ... + 448233.

It is an arithmetic number, because the mean of its divisors is an integer number (1525964064).

Almost surely, 2^16004560551 is an apocalyptic number.

16004560551 is a deficient number, since it is larger than the sum of its proper divisors (8410864473).

16004560551 is an equidigital number, since it uses as much as digits as its factorization.

16004560551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860110.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 16004560551 in words is "sixteen billion, four million, five hundred sixty thousand, five hundred fifty-one".