16550560507 has 24 divisors (see below), whose sum is σ = 18581799600. Its totient is φ = 14636702976.

The previous prime is 16550560483. The next prime is 16550560517. The reversal of 16550560507 is 70506505561.

It is not a de Polignac number, because 16550560507 - 2¹⁵ = 16550527739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16550560507.

It is not an unprimeable number, because it can be changed into a prime (16550560517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7074744 + ... + 7077082.

It is an arithmetic number, because the mean of its divisors is an integer number (774241650).

Almost surely, 2^16550560507 is an apocalyptic number.

16550560507 is a deficient number, since it is larger than the sum of its proper divisors (2031239093).

16550560507 is a wasteful number, since it uses less digits than its factorization.

16550560507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 16550560507 in words is "sixteen billion, five hundred fifty million, five hundred sixty thousand, five hundred seven".