159911212368 has 80 divisors (see below), whose sum is σ = 437657630976. Its totient is φ = 50139156480.

The previous prime is 159911212367. The next prime is 159911212397. The reversal of 159911212368 is 863212119951.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159911212367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374553 + ... + 1486343.

Almost surely, 2^159911212368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159911212368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218828815488).

159911212368 is an abundant number, since it is smaller than the sum of its proper divisors (277746418608).

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

159911212368 is a wasteful number, since it uses less digits than its factorization.

159911212368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113572 (or 113566 counting only the distinct ones).

The product of its digits is 233280, while the sum is 48.

The spelling of 159911212368 in words is "one hundred fifty-nine billion, nine hundred eleven million, two hundred twelve thousand, three hundred sixty-eight".