15920271360 has 624 divisors, whose sum is σ = 65545823616. Its totient is φ = 3630956544.

The previous prime is 15920271229. The next prime is 15920271383. The reversal of 15920271360 is 6317202951.

15920271360 is a `hidden beast` number, since 1 + 5 + 9 + 20 + 271 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34836252 + ... + 34836708.

It is an arithmetic number, because the mean of its divisors is an integer number (105041384).

Almost surely, 2^15920271360 is an apocalyptic number.

15920271360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15920271360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32772911808).

15920271360 is an abundant number, since it is smaller than the sum of its proper divisors (49625552256).

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

15920271360 is an frugal number, since it uses more digits than its factorization.

15920271360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 15920271360 in words is "fifteen billion, nine hundred twenty million, two hundred seventy-one thousand, three hundred sixty".