163208668 has 24 divisors (see below), whose sum is σ = 326690784. Its totient is φ = 69888000.

The previous prime is 163208663. The next prime is 163208671. The reversal of 163208668 is 866802361.

It is a self number, because there is not a number n which added to its sum of digits gives 163208668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163208663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56868 + ... + 59668.

It is an arithmetic number, because the mean of its divisors is an integer number (13612116).

Almost surely, 2^163208668 is an apocalyptic number.

It is an amenable number.

163208668 is an abundant number, since it is smaller than the sum of its proper divisors (163482116).

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

163208668 is a wasteful number, since it uses less digits than its factorization.

163208668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893 (or 4891 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 163208668 is about 12775.3147906421. The cubic root of 163208668 is about 546.4885580455.

The spelling of 163208668 in words is "one hundred sixty-three million, two hundred eight thousand, six hundred sixty-eight".