159990929280 has 1152 divisors, whose sum is σ = 712042269120. Its totient is φ = 32232701952.

The previous prime is 159990929249. The next prime is 159990929321. The reversal of 159990929280 is 82929099951.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×159990929280² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 277280352 + ... + 277280928.

Almost surely, 2^159990929280 is an apocalyptic number.

159990929280 is a gapful number since it is divisible by the number (10) 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 159990929280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356021134560).

159990929280 is an abundant number, since it is smaller than the sum of its proper divisors (552051339840).

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

159990929280 is a wasteful number, since it uses less digits than its factorization.

159990929280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 63.

The spelling of 159990929280 in words is "one hundred fifty-nine billion, nine hundred ninety million, nine hundred twenty-nine thousand, two hundred eighty".