16315222315 has 16 divisors (see below), whose sum is σ = 22396144320. Its totient is φ = 11177089920.

The previous prime is 16315222307. The next prime is 16315222331. The reversal of 16315222315 is 51322251361.

It is not a de Polignac number, because 16315222315 - 2³ = 16315222307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180616 + ... + 255445.

It is an arithmetic number, because the mean of its divisors is an integer number (1399759020).

Almost surely, 2^16315222315 is an apocalyptic number.

16315222315 is a deficient number, since it is larger than the sum of its proper divisors (6080922005).

16315222315 is a wasteful number, since it uses less digits than its factorization.

16315222315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437142.

The product of its digits is 10800, while the sum is 31.

Adding to 16315222315 its reverse (51322251361), we get a palindrome (67637473676).

The spelling of 16315222315 in words is "sixteen billion, three hundred fifteen million, two hundred twenty-two thousand, three hundred fifteen".