16065016161 has 24 divisors (see below), whose sum is σ = 22027250880. Its totient is φ = 10414436256.

The previous prime is 16065016157. The next prime is 16065016171. The reversal of 16065016161 is 16161056061.

It is not a de Polignac number, because 16065016161 - 2² = 16065016157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16065016171) 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, 1263940 + ... + 1276586.

It is an arithmetic number, because the mean of its divisors is an integer number (917802120).

Almost surely, 2^16065016161 is an apocalyptic number.

It is an amenable number.

16065016161 is a deficient number, since it is larger than the sum of its proper divisors (5962234719).

16065016161 is a wasteful number, since it uses less digits than its factorization.

16065016161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12965 (or 12922 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 16065016161 in words is "sixteen billion, sixty-five million, sixteen thousand, one hundred sixty-one".