16006560565 has 32 divisors (see below), whose sum is σ = 20051815680. Its totient is φ = 12254860800.

The previous prime is 16006560539. The next prime is 16006560607. The reversal of 16006560565 is 56506560061.

It is not a de Polignac number, because 16006560565 - 2³³ = 7416625973 is a prime.

It is a super-2 number, since 2×16006560565² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6842166 + ... + 6844504.

It is an arithmetic number, because the mean of its divisors is an integer number (626619240).

Almost surely, 2^16006560565 is an apocalyptic number.

It is an amenable number.

16006560565 is a deficient number, since it is larger than the sum of its proper divisors (4045255115).

16006560565 is a wasteful number, since it uses less digits than its factorization.

16006560565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 16006560565 in words is "sixteen billion, six million, five hundred sixty thousand, five hundred sixty-five".