15967728000 has 1152 divisors, whose sum is σ = 69801488640. Its totient is φ = 3483648000.

The previous prime is 15967727987. The next prime is 15967728043. The reversal of 15967728000 is 82776951.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 218735964 + ... + 218736036.

It is an arithmetic number, because the mean of its divisors is an integer number (60591570).

Almost surely, 2^15967728000 is an apocalyptic number.

15967728000 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 15967728000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34900744320).

15967728000 is an abundant number, since it is smaller than the sum of its proper divisors (53833760640).

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

15967728000 is a wasteful number, since it uses less digits than its factorization.

15967728000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 15967728000 in words is "fifteen billion, nine hundred sixty-seven million, seven hundred twenty-eight thousand".