16016645161 has 8 divisors (see below), whose sum is σ = 18075211200. Its totient is φ = 14058497040.

The previous prime is 16016645159. The next prime is 16016645167. The reversal of 16016645161 is 16154661061.

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

It is not a de Polignac number, because 16016645161 - 2¹ = 16016645159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16016645161.

It is not an unprimeable number, because it can be changed into a prime (16016645167) 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, 25104141 + ... + 25104778.

It is an arithmetic number, because the mean of its divisors is an integer number (2259401400).

Almost surely, 2^16016645161 is an apocalyptic number.

16016645161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16016645161 is a deficient number, since it is larger than the sum of its proper divisors (2058566039).

16016645161 is a wasteful number, since it uses less digits than its factorization.

16016645161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50208959.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 16016645161 in words is "sixteen billion, sixteen million, six hundred forty-five thousand, one hundred sixty-one".