16313244664 has 32 divisors (see below), whose sum is σ = 31277897280. Its totient is φ = 7972914304.

The previous prime is 16313244653. The next prime is 16313244677. The reversal of 16313244664 is 46644231361.

It is a super-2 number, since 2×16313244664² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272454 + ... + 326890.

It is an arithmetic number, because the mean of its divisors is an integer number (977434290).

Almost surely, 2^16313244664 is an apocalyptic number.

It is an amenable number.

16313244664 is a deficient number, since it is larger than the sum of its proper divisors (14964652616).

16313244664 is a wasteful number, since it uses less digits than its factorization.

16313244664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55287 (or 55283 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The spelling of 16313244664 in words is "sixteen billion, three hundred thirteen million, two hundred forty-four thousand, six hundred sixty-four".