16516253479 has 16 divisors (see below), whose sum is σ = 18094945824. Its totient is φ = 14950540800.

The previous prime is 16516253461. The next prime is 16516253489. The reversal of 16516253479 is 97435261561.

16516253479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16516253479 - 2⁵ = 16516253447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16516253489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4105489 + ... + 4109509.

It is an arithmetic number, because the mean of its divisors is an integer number (1130934114).

Almost surely, 2^16516253479 is an apocalyptic number.

16516253479 is a deficient number, since it is larger than the sum of its proper divisors (1578692345).

16516253479 is a wasteful number, since it uses less digits than its factorization.

16516253479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538.

The product of its digits is 1360800, while the sum is 49.

The spelling of 16516253479 in words is "sixteen billion, five hundred sixteen million, two hundred fifty-three thousand, four hundred seventy-nine".