163348668 has 72 divisors (see below), whose sum is σ = 492430848. Its totient is φ = 44640288.

The previous prime is 163348663. The next prime is 163348693. The reversal of 163348668 is 866843361.

163348668 is a `hidden beast` number, since 1 + 633 + 4 + 8 + 6 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163348663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8296 + ... + 19887.

Almost surely, 2^163348668 is an apocalyptic number.

163348668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

163348668 is an abundant number, since it is smaller than the sum of its proper divisors (329082180).

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

163348668 is a wasteful number, since it uses less digits than its factorization.

163348668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28223 (or 28218 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 163348668 is about 12780.7929331478. The cubic root of 163348668 is about 546.6447722410.

The spelling of 163348668 in words is "one hundred sixty-three million, three hundred forty-eight thousand, six hundred sixty-eight".