15872410076820 has 192 divisors, whose sum is σ = 49972642384896. Its totient is φ = 3730937656320.

The previous prime is 15872410076651. The next prime is 15872410076833. The reversal of 15872410076820 is 2867001427851.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1846887 + ... + 5929233.

It is an arithmetic number, because the mean of its divisors is an integer number (260274179088).

Almost surely, 2^{15872410076820} is an apocalyptic number.

15872410076820 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 15872410076820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24986321192448).

15872410076820 is an abundant number, since it is smaller than the sum of its proper divisors (34100232308076).

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

15872410076820 is a wasteful number, since it uses less digits than its factorization.

15872410076820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082550 (or 4082548 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 15872410076820 in words is "fifteen trillion, eight hundred seventy-two billion, four hundred ten million, seventy-six thousand, eight hundred twenty".