16313315253 has 24 divisors (see below), whose sum is σ = 22419351360. Its totient is φ = 10549968000.

The previous prime is 16313315251. The next prime is 16313315297. The reversal of 16313315253 is 35251331361.

It is a happy number.

It is not a de Polignac number, because 16313315253 - 2¹ = 16313315251 is a prime.

It is a super-2 number, since 2×16313315253² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16313315251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739128 + ... + 760878.

It is an arithmetic number, because the mean of its divisors is an integer number (934139640).

Almost surely, 2^16313315253 is an apocalyptic number.

It is an amenable number.

16313315253 is a deficient number, since it is larger than the sum of its proper divisors (6106036107).

16313315253 is an equidigital number, since it uses as much as digits as its factorization.

16313315253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21949 (or 21896 counting only the distinct ones).

The product of its digits is 24300, while the sum is 33.

The spelling of 16313315253 in words is "sixteen billion, three hundred thirteen million, three hundred fifteen thousand, two hundred fifty-three".