159413868 has 18 divisors (see below), whose sum is σ = 402962924. Its totient is φ = 53137944.

The previous prime is 159413831. The next prime is 159413893. The reversal of 159413868 is 868314951.

159413868 is a `hidden beast` number, since 159 + 413 + 86 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2214046 + ... + 2214117.

Almost surely, 2^159413868 is an apocalyptic number.

159413868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

159413868 is an abundant number, since it is smaller than the sum of its proper divisors (243549056).

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

159413868 is a wasteful number, since it uses less digits than its factorization.

159413868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428173 (or 4428168 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 159413868 is about 12625.9204812956. The cubic root of 159413868 is about 542.2197925765.

The spelling of 159413868 in words is "one hundred fifty-nine million, four hundred thirteen thousand, eight hundred sixty-eight".