16065014561 has 8 divisors (see below), whose sum is σ = 16243714080. Its totient is φ = 15886844128.

The previous prime is 16065014521. The next prime is 16065014573. The reversal of 16065014561 is 16541056061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16065014561 - 2²² = 16060820257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16065014521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71051 + ... + 192816.

It is an arithmetic number, because the mean of its divisors is an integer number (2030464260).

Almost surely, 2^16065014561 is an apocalyptic number.

It is an amenable number.

16065014561 is a deficient number, since it is larger than the sum of its proper divisors (178699519).

16065014561 is a wasteful number, since it uses less digits than its factorization.

16065014561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264543.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 16065014561 in words is "sixteen billion, sixty-five million, fourteen thousand, five hundred sixty-one".