15316477368 has 128 divisors (see below), whose sum is σ = 40144896000. Its totient is φ = 4863559680.

The previous prime is 15316477361. The next prime is 15316477381. The reversal of 15316477368 is 86377461351.

It is a self number, because there is not a number n which added to its sum of digits gives 15316477368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15316477361) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 21302113 + ... + 21302831.

It is an arithmetic number, because the mean of its divisors is an integer number (313632000).

Almost surely, 2^15316477368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15316477368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20072448000).

15316477368 is an abundant number, since it is smaller than the sum of its proper divisors (24828418632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15316477368 is a wasteful number, since it uses less digits than its factorization.

15316477368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1121 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The spelling of 15316477368 in words is "fifteen billion, three hundred sixteen million, four hundred seventy-seven thousand, three hundred sixty-eight".