16653623245 has 32 divisors (see below), whose sum is σ = 23058452736. Its totient is φ = 11310374400.

The previous prime is 16653623227. The next prime is 16653623257. The reversal of 16653623245 is 54232635661.

It is not a de Polignac number, because 16653623245 - 2⁷ = 16653623117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2550585 + ... + 2557105.

It is an arithmetic number, because the mean of its divisors is an integer number (720576648).

Almost surely, 2^16653623245 is an apocalyptic number.

It is an amenable number.

16653623245 is a deficient number, since it is larger than the sum of its proper divisors (6404829491).

16653623245 is a wasteful number, since it uses less digits than its factorization.

16653623245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221.

The product of its digits is 777600, while the sum is 43.

The spelling of 16653623245 in words is "sixteen billion, six hundred fifty-three million, six hundred twenty-three thousand, two hundred forty-five".