16253215223 has 8 divisors (see below), whose sum is σ = 18759015840. Its totient is φ = 13793392800.

The previous prime is 16253215171. The next prime is 16253215229. The reversal of 16253215223 is 32251235261.

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

It is a cyclic number.

It is not a de Polignac number, because 16253215223 - 2¹⁰ = 16253214199 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 16253215223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16253215229) 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, 11493788 + ... + 11495201.

It is an arithmetic number, because the mean of its divisors is an integer number (2344876980).

Almost surely, 2^16253215223 is an apocalyptic number.

16253215223 is a deficient number, since it is larger than the sum of its proper divisors (2505800617).

16253215223 is a wasteful number, since it uses less digits than its factorization.

16253215223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22989097.

The product of its digits is 21600, while the sum is 32.

The spelling of 16253215223 in words is "sixteen billion, two hundred fifty-three million, two hundred fifteen thousand, two hundred twenty-three".