159929856 has 160 divisors (see below), whose sum is σ = 494968320. Its totient is φ = 50890752.

The previous prime is 159929831. The next prime is 159929881. The reversal of 159929856 is 658929951.

It is an interprime number because it is at equal distance from previous prime (159929831) and next prime (159929881).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317701 + ... + 318203.

It is an arithmetic number, because the mean of its divisors is an integer number (3093552).

Almost surely, 2^159929856 is an apocalyptic number.

159929856 is a gapful number since it is divisible by the number (16) 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 159929856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247484160).

159929856 is an abundant number, since it is smaller than the sum of its proper divisors (335038464).

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

159929856 is an equidigital number, since it uses as much as digits as its factorization.

159929856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 531 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The square root of 159929856 is about 12646.3376516682. The cubic root of 159929856 is about 542.8041783440.

The spelling of 159929856 in words is "one hundred fifty-nine million, nine hundred twenty-nine thousand, eight hundred fifty-six".