159942680 has 16 divisors (see below), whose sum is σ = 359871120. Its totient is φ = 63977056.

The previous prime is 159942649. The next prime is 159942683. The reversal of 159942680 is 86249951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159942683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1999244 + ... + 1999323.

It is an arithmetic number, because the mean of its divisors is an integer number (22491945).

Almost surely, 2^159942680 is an apocalyptic number.

159942680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159942680 is an abundant number, since it is smaller than the sum of its proper divisors (199928440).

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

159942680 is a wasteful number, since it uses less digits than its factorization.

159942680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998578 (or 3998574 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 159942680 is about 12646.8446657654. The cubic root of 159942680 is about 542.8186862350.

The spelling of 159942680 in words is "one hundred fifty-nine million, nine hundred forty-two thousand, six hundred eighty".