159498135870 has 128 divisors (see below), whose sum is σ = 411068597760. Its totient is φ = 39483624960.

The previous prime is 159498135847. The next prime is 159498135871. The reversal of 159498135870 is 78531894951.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159498135871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27397560 + ... + 27403380.

It is an arithmetic number, because the mean of its divisors is an integer number (3211473420).

Almost surely, 2^159498135870 is an apocalyptic number.

159498135870 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 159498135870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205534298880).

159498135870 is an abundant number, since it is smaller than the sum of its proper divisors (251570461890).

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

159498135870 is a wasteful number, since it uses less digits than its factorization.

159498135870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810.

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 159498135870 in words is "one hundred fifty-nine billion, four hundred ninety-eight million, one hundred thirty-five thousand, eight hundred seventy".