15963871560 has 256 divisors, whose sum is σ = 59280076800. Its totient is φ = 3348974592.

The previous prime is 15963871559. The next prime is 15963871577. The reversal of 15963871560 is 6517836951.

15963871560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1950597 + ... + 1958763.

It is an arithmetic number, because the mean of its divisors is an integer number (231562800).

Almost surely, 2^15963871560 is an apocalyptic number.

15963871560 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 15963871560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29640038400).

15963871560 is an abundant number, since it is smaller than the sum of its proper divisors (43316205240).

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

15963871560 is a wasteful number, since it uses less digits than its factorization.

15963871560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380 (or 8376 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 15963871560 in words is "fifteen billion, nine hundred sixty-three million, eight hundred seventy-one thousand, five hundred sixty".