159907916240 has 80 divisors (see below), whose sum is σ = 376127712000. Its totient is φ = 63216823296.

The previous prime is 159907916209. The next prime is 159907916303. The reversal of 159907916240 is 42619709951.

It is a tau number, because it is divible by the number of its divisors (80).

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, 25792661 + ... + 25798859.

It is an arithmetic number, because the mean of its divisors is an integer number (4701596400).

Almost surely, 2^159907916240 is an apocalyptic number.

159907916240 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 159907916240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188063856000).

159907916240 is an abundant number, since it is smaller than the sum of its proper divisors (216219795760).

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

159907916240 is a wasteful number, since it uses less digits than its factorization.

159907916240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9924 (or 9918 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 53.

The spelling of 159907916240 in words is "one hundred fifty-nine billion, nine hundred seven million, nine hundred sixteen thousand, two hundred forty".