159519640650 has 96 divisors (see below), whose sum is σ = 414156492288. Its totient is φ = 40556260800.

The previous prime is 159519640649. The next prime is 159519640703. The reversal of 159519640650 is 56046915951.

It is a junction number, because it is equal to n+sod(n) for n = 159519640593 and 159519640602.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 983845 + ... + 1134455.

It is an arithmetic number, because the mean of its divisors is an integer number (4314130128).

Almost surely, 2^159519640650 is an apocalyptic number.

159519640650 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 159519640650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207078246144).

159519640650 is an abundant number, since it is smaller than the sum of its proper divisors (254636851638).

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

159519640650 is a wasteful number, since it uses less digits than its factorization.

159519640650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150956 (or 150951 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 51.

The spelling of 159519640650 in words is "one hundred fifty-nine billion, five hundred nineteen million, six hundred forty thousand, six hundred fifty".