15964054912 has 128 divisors (see below), whose sum is σ = 35857080000. Its totient is φ = 7024410624.

The previous prime is 15964054861. The next prime is 15964054949. The reversal of 15964054912 is 21945046951.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17183664 + ... + 17184592.

Almost surely, 2^15964054912 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 15964054912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17928540000).

15964054912 is an abundant number, since it is smaller than the sum of its proper divisors (19893025088).

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

15964054912 is a wasteful number, since it uses less digits than its factorization.

15964054912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 15964054912 in words is "fifteen billion, nine hundred sixty-four million, fifty-four thousand, nine hundred twelve".