159406974720 has 864 divisors, whose sum is σ = 650543781888. Its totient is φ = 35285041152.

The previous prime is 159406974719. The next prime is 159406974731. The reversal of 159406974720 is 27479604951.

159406974720 is a `hidden beast` number, since 1 + 594 + 0 + 6 + 9 + 7 + 47 + 2 + 0 = 666.

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, 519240807 + ... + 519241113.

It is an arithmetic number, because the mean of its divisors is an integer number (752944192).

Almost surely, 2^159406974720 is an apocalyptic number.

159406974720 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 159406974720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325271890944).

159406974720 is an abundant number, since it is smaller than the sum of its proper divisors (491136807168).

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

159406974720 is a wasteful number, since it uses less digits than its factorization.

159406974720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 159406974720 in words is "one hundred fifty-nine billion, four hundred six million, nine hundred seventy-four thousand, seven hundred twenty".