159878832948 has 72 divisors (see below), whose sum is σ = 417559740416. Its totient is φ = 51526238400.

The previous prime is 159878832947. The next prime is 159878832983. The reversal of 159878832948 is 849238878951.

159878832948 is a `hidden beast` number, since 1 + 598 + 7 + 8 + 8 + 3 + 29 + 4 + 8 = 666.

It is a super-2 number, since 2×159878832948² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159878832947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1154253 + ... + 1285323.

Almost surely, 2^159878832948 is an apocalyptic number.

159878832948 is a gapful number since it is divisible by the number (18) 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 159878832948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208779870208).

159878832948 is an abundant number, since it is smaller than the sum of its proper divisors (257680907468).

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

159878832948 is a wasteful number, since it uses less digits than its factorization.

159878832948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132205 (or 132200 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 72.

The spelling of 159878832948 in words is "one hundred fifty-nine billion, eight hundred seventy-eight million, eight hundred thirty-two thousand, nine hundred forty-eight".