159969600 has 504 divisors, whose sum is σ = 696691520. Its totient is φ = 34974720.

The previous prime is 159969571. The next prime is 159969617. The reversal of 159969600 is 6969951.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6955189 + ... + 6955211.

Almost surely, 2^159969600 is an apocalyptic number.

159969600 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 159969600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348345760).

159969600 is an abundant number, since it is smaller than the sum of its proper divisors (536721920).

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

159969600 is a wasteful number, since it uses less digits than its factorization.

159969600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 159969600 is about 12647.9089180781. The cubic root of 159969600 is about 542.8491385180.

The spelling of 159969600 in words is "one hundred fifty-nine million, nine hundred sixty-nine thousand, six hundred".