163992268 has 72 divisors (see below), whose sum is σ = 351918000. Its totient is φ = 66401280.

The previous prime is 163992253. The next prime is 163992271. The reversal of 163992268 is 862299361.

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 23 ways as a sum of consecutive naturals, for example, 155808 + ... + 156856.

It is an arithmetic number, because the mean of its divisors is an integer number (4887750).

Almost surely, 2^163992268 is an apocalyptic number.

It is an amenable number.

163992268 is an abundant number, since it is smaller than the sum of its proper divisors (187925732).

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

163992268 is a wasteful number, since it uses less digits than its factorization.

163992268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1098 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 163992268 is about 12805.9465874257. The cubic root of 163992268 is about 547.3617651746.

The spelling of 163992268 in words is "one hundred sixty-three million, nine hundred ninety-two thousand, two hundred sixty-eight".