16116115065 has 32 divisors (see below), whose sum is σ = 26916765696. Its totient is φ = 8218541760.

The previous prime is 16116115051. The next prime is 16116115069. The reversal of 16116115065 is 56051161161.

It is not a de Polignac number, because 16116115065 - 2⁵ = 16116115033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16116115069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1168560 + ... + 1182270.

It is an arithmetic number, because the mean of its divisors is an integer number (841148928).

Almost surely, 2^16116115065 is an apocalyptic number.

16116115065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16116115065 is a deficient number, since it is larger than the sum of its proper divisors (10800650631).

16116115065 is a wasteful number, since it uses less digits than its factorization.

16116115065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17149.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 16116115065 in words is "sixteen billion, one hundred sixteen million, one hundred fifteen thousand, sixty-five".