163875807 has 12 divisors (see below), whose sum is σ = 238080024. Its totient is φ = 108618000.

The previous prime is 163875791. The next prime is 163875809. The reversal of 163875807 is 708578361.

163875807 is a `hidden beast` number, since 1 + 63 + 8 + 7 + 580 + 7 = 666.

It is not a de Polignac number, because 163875807 - 2⁴ = 163875791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163875809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51069 + ... + 54182.

It is an arithmetic number, because the mean of its divisors is an integer number (19840002).

Almost surely, 2^163875807 is an apocalyptic number.

163875807 is a deficient number, since it is larger than the sum of its proper divisors (74204217).

163875807 is a wasteful number, since it uses less digits than its factorization.

163875807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105430 (or 105427 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 163875807 is about 12801.3986345243. The cubic root of 163875807 is about 547.2321627339.

The spelling of 163875807 in words is "one hundred sixty-three million, eight hundred seventy-five thousand, eight hundred seven".