16560166525 has 48 divisors (see below), whose sum is σ = 24335942400. Its totient is φ = 10937525760.

The previous prime is 16560166499. The next prime is 16560166549. The reversal of 16560166525 is 52566106561.

It is not a de Polignac number, because 16560166525 - 2¹³ = 16560158333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2224209 + ... + 2231641.

It is an arithmetic number, because the mean of its divisors is an integer number (506998800).

Almost surely, 2^16560166525 is an apocalyptic number.

It is an amenable number.

16560166525 is a deficient number, since it is larger than the sum of its proper divisors (7775775875).

16560166525 is a wasteful number, since it uses less digits than its factorization.

16560166525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918 (or 7913 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 16560166525 in words is "sixteen billion, five hundred sixty million, one hundred sixty-six thousand, five hundred twenty-five".