159417720000 has 1960 divisors, whose sum is σ = 749339534592. Its totient is φ = 32659200000.

The previous prime is 159417719969. The next prime is 159417720019. The reversal of 159417720000 is 27714951.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 279 ways as a sum of consecutive naturals, for example, 2245319965 + ... + 2245320035.

Almost surely, 2^159417720000 is an apocalyptic number.

159417720000 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 159417720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374669767296).

159417720000 is an abundant number, since it is smaller than the sum of its proper divisors (589921814592).

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

159417720000 is an frugal number, since it uses more digits than its factorization.

159417720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 159417720000 in words is "one hundred fifty-nine billion, four hundred seventeen million, seven hundred twenty thousand".