159780064527720 has 768 divisors, whose sum is σ = 677533828608000. Its totient is φ = 31690423369728.

The previous prime is 159780064527691. The next prime is 159780064527887. The reversal of 159780064527720 is 27725460087951.

159780064527720 is a `hidden beast` number, since 1 + 5 + 9 + 7 + 80 + 0 + 6 + 4 + 527 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 461513641 + ... + 461859719.

It is an arithmetic number, because the mean of its divisors is an integer number (882205506000).

Almost surely, 2^{159780064527720} is an apocalyptic number.

159780064527720 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 159780064527720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338766914304000).

159780064527720 is an abundant number, since it is smaller than the sum of its proper divisors (517753764080280).

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

159780064527720 is a wasteful number, since it uses less digits than its factorization.

159780064527720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346962 (or 346955 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 63.

The spelling of 159780064527720 in words is "one hundred fifty-nine trillion, seven hundred eighty billion, sixty-four million, five hundred twenty-seven thousand, seven hundred twenty".