163952668 has 12 divisors (see below), whose sum is σ = 313000632. Its totient is φ = 74523920.

The previous prime is 163952651. The next prime is 163952683. The reversal of 163952668 is 866259361.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1863055 + ... + 1863142.

It is an arithmetic number, because the mean of its divisors is an integer number (26083386).

Almost surely, 2^163952668 is an apocalyptic number.

It is an amenable number.

163952668 is a deficient number, since it is larger than the sum of its proper divisors (149047964).

163952668 is a wasteful number, since it uses less digits than its factorization.

163952668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726212 (or 3726210 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 163952668 is about 12804.4003373840. The cubic root of 163952668 is about 547.3177036037.

The spelling of 163952668 in words is "one hundred sixty-three million, nine hundred fifty-two thousand, six hundred sixty-eight".