159631000542720 has 1000 divisors, whose sum is σ = 667001497937544. Its totient is φ = 36486972039168.

The previous prime is 159631000542653. The next prime is 159631000542737. The reversal of 159631000542720 is 27245000136951.

159631000542720 is a `hidden beast` number, since 1 + 5 + 9 + 6 + 31 + 0 + 0 + 0 + 542 + 72 + 0 = 666.

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 99 ways as a sum of consecutive naturals, for example, 497711047 + ... + 498031673.

Almost surely, 2^{159631000542720} is an apocalyptic number.

159631000542720 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 159631000542720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333500748968772).

159631000542720 is an abundant number, since it is smaller than the sum of its proper divisors (507370497394824).

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

159631000542720 is an frugal number, since it uses more digits than its factorization.

159631000542720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320690 (or 320644 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 159631000542720 in words is "one hundred fifty-nine trillion, six hundred thirty-one billion, five hundred forty-two thousand, seven hundred twenty".