163261206 has 12 divisors (see below), whose sum is σ = 353732652. Its totient is φ = 54420396.

The previous prime is 163261171. The next prime is 163261207. The reversal of 163261206 is 602162361.

163261206 is a `hidden beast` number, since 1 + 632 + 6 + 1 + 20 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 163261206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163261207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4535016 + ... + 4535051.

It is an arithmetic number, because the mean of its divisors is an integer number (29477721).

Almost surely, 2^163261206 is an apocalyptic number.

163261206 is an abundant number, since it is smaller than the sum of its proper divisors (190471446).

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

163261206 is a wasteful number, since it uses less digits than its factorization.

163261206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070075 (or 9070072 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 163261206 is about 12777.3708563225. The cubic root of 163261206 is about 546.5471912377.

The spelling of 163261206 in words is "one hundred sixty-three million, two hundred sixty-one thousand, two hundred six".