159949685680 has 360 divisors, whose sum is σ = 427308427296. Its totient is φ = 55562158080.

The previous prime is 159949685653. The next prime is 159949685729. The reversal of 159949685680 is 86586949951.

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, 511021204 + ... + 511021516.

Almost surely, 2^159949685680 is an apocalyptic number.

159949685680 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 159949685680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213654213648).

159949685680 is an abundant number, since it is smaller than the sum of its proper divisors (267358741616).

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

159949685680 is a wasteful number, since it uses less digits than its factorization.

159949685680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 70.

The spelling of 159949685680 in words is "one hundred fifty-nine billion, nine hundred forty-nine million, six hundred eighty-five thousand, six hundred eighty".