15884720398096 has 135 divisors (see below), whose sum is σ = 34060880519463. Its totient is φ = 7171145593920.

The previous prime is 15884720398073. The next prime is 15884720398117. The reversal of 15884720398096 is 69089302748851.

The square root of 15884720398096 is 3985564.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41912190835 + ... + 41912191213.

It is a 1-persistent number, because it is pandigital, but 2⋅15884720398096 = 31769440796192 is not.

Almost surely, 2^{15884720398096} is an apocalyptic number.

15884720398096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

15884720398096 is the 3985564-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15884720398096

15884720398096 is an abundant number, since it is smaller than the sum of its proper divisors (18176160121367).

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

15884720398096 is an frugal number, since it uses more digits than its factorization.

15884720398096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 15884720398096 in words is "fifteen trillion, eight hundred eighty-four billion, seven hundred twenty million, three hundred ninety-eight thousand, ninety-six".