159885855 has 48 divisors (see below), whose sum is σ = 298902240. Its totient is φ = 78796800.

The previous prime is 159885839. The next prime is 159885863. The reversal of 159885855 is 558588951.

159885855 is a `hidden beast` number, since 1 + 59 + 8 + 8 + 585 + 5 = 666.

It is not a de Polignac number, because 159885855 - 2⁴ = 159885839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32775 + ... + 37335.

It is an arithmetic number, because the mean of its divisors is an integer number (6227130).

Almost surely, 2^159885855 is an apocalyptic number.

159885855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159885855 is a deficient number, since it is larger than the sum of its proper divisors (139016385).

159885855 is a wasteful number, since it uses less digits than its factorization.

159885855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632 (or 4629 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 54.

The square root of 159885855 is about 12644.5978583741. The cubic root of 159885855 is about 542.7543937740.

The spelling of 159885855 in words is "one hundred fifty-nine million, eight hundred eighty-five thousand, eight hundred fifty-five".