159297212250 has 1280 divisors, whose sum is σ = 563634339840. Its totient is φ = 33073920000.

The previous prime is 159297212237. The next prime is 159297212279. The reversal of 159297212250 is 52212792951.

159297212250 is a `hidden beast` number, since 1 + 592 + 9 + 7 + 2 + 1 + 2 + 2 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 159297212196 and 159297212205.

It is an unprimeable number.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 2699952721 + ... + 2699952779.

It is an arithmetic number, because the mean of its divisors is an integer number (440339328).

Almost surely, 2^159297212250 is an apocalyptic number.

159297212250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 159297212250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281817169920).

159297212250 is an abundant number, since it is smaller than the sum of its proper divisors (404337127590).

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

159297212250 is a wasteful number, since it uses less digits than its factorization.

159297212250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 159297212250 in words is "one hundred fifty-nine billion, two hundred ninety-seven million, two hundred twelve thousand, two hundred fifty".