16454786645 has 8 divisors (see below), whose sum is σ = 21540811680. Its totient is φ = 11967117520.

The previous prime is 16454786641. The next prime is 16454786687. The reversal of 16454786645 is 54668745461.

It is a happy number.

16454786645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16454786645 - 2² = 16454786641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16454786641) 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 7 ways as a sum of consecutive naturals, for example, 149588915 + ... + 149589024.

It is an arithmetic number, because the mean of its divisors is an integer number (2692601460).

Almost surely, 2^16454786645 is an apocalyptic number.

It is an amenable number.

16454786645 is a deficient number, since it is larger than the sum of its proper divisors (5086025035).

16454786645 is a wasteful number, since it uses less digits than its factorization.

16454786645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299177955.

The product of its digits is 19353600, while the sum is 56.

The spelling of 16454786645 in words is "sixteen billion, four hundred fifty-four million, seven hundred eighty-six thousand, six hundred forty-five".