159670728000 has 672 divisors, whose sum is σ = 668771970048. Its totient is φ = 35601408000.

The previous prime is 159670727941. The next prime is 159670728037. The reversal of 159670728000 is 827076951.

It is a tau number, because it is divible by the number of its divisors (672).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 95 ways as a sum of consecutive naturals, for example, 20660137 + ... + 20667863.

It is an arithmetic number, because the mean of its divisors is an integer number (995196384).

Almost surely, 2^159670728000 is an apocalyptic number.

159670728000 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 159670728000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334385985024).

159670728000 is an abundant number, since it is smaller than the sum of its proper divisors (509101242048).

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

159670728000 is a wasteful number, since it uses less digits than its factorization.

159670728000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7808 (or 7785 counting only the distinct ones).

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

The spelling of 159670728000 in words is "one hundred fifty-nine billion, six hundred seventy million, seven hundred twenty-eight thousand".