159949912 has 16 divisors (see below), whose sum is σ = 312945840. Its totient is φ = 76497696.

The previous prime is 159949901. The next prime is 159949939. The reversal of 159949912 is 219949951.

It is a super-3 number, since 3×159949912³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434463 + ... + 434830.

It is an arithmetic number, because the mean of its divisors is an integer number (19559115).

Almost surely, 2^159949912 is an apocalyptic number.

It is an amenable number.

159949912 is a deficient number, since it is larger than the sum of its proper divisors (152995928).

159949912 is a wasteful number, since it uses less digits than its factorization.

159949912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869322 (or 869318 counting only the distinct ones).

The product of its digits is 262440, while the sum is 49.

The square root of 159949912 is about 12647.1305836541. The cubic root of 159949912 is about 542.8268675109.

The spelling of 159949912 in words is "one hundred fifty-nine million, nine hundred forty-nine thousand, nine hundred twelve".