163238886 has 12 divisors (see below), whose sum is σ = 353684292. Its totient is φ = 54412956.

The previous prime is 163238851. The next prime is 163238893. The reversal of 163238886 is 688832361.

163238886 is a `hidden beast` number, since 1 + 632 + 3 + 8 + 8 + 8 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4534396 + ... + 4534431.

It is an arithmetic number, because the mean of its divisors is an integer number (29473691).

Almost surely, 2^163238886 is an apocalyptic number.

163238886 is an abundant number, since it is smaller than the sum of its proper divisors (190445406).

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

163238886 is a wasteful number, since it uses less digits than its factorization.

163238886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068835 (or 9068832 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 163238886 is about 12776.4974073492. The cubic root of 163238886 is about 546.5222833216.

The spelling of 163238886 in words is "one hundred sixty-three million, two hundred thirty-eight thousand, eight hundred eighty-six".