16155572313 has 4 divisors (see below), whose sum is σ = 21540763088. Its totient is φ = 10770381540.

The previous prime is 16155572273. The next prime is 16155572327. The reversal of 16155572313 is 31327555161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16155572313 - 2²⁶ = 16088463449 is a prime.

It is a super-2 number, since 2×16155572313² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16155572813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692595383 + ... + 2692595388.

It is an arithmetic number, because the mean of its divisors is an integer number (5385190772).

Almost surely, 2^16155572313 is an apocalyptic number.

It is an amenable number.

16155572313 is a deficient number, since it is larger than the sum of its proper divisors (5385190775).

16155572313 is an equidigital number, since it uses as much as digits as its factorization.

16155572313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385190774.

The product of its digits is 94500, while the sum is 39.

The spelling of 16155572313 in words is "sixteen billion, one hundred fifty-five million, five hundred seventy-two thousand, three hundred thirteen".