163338966 has 24 divisors (see below), whose sum is σ = 404458704. Its totient is φ = 46668240.

The previous prime is 163338961. The next prime is 163338997. The reversal of 163338966 is 669833361.

163338966 is a `hidden beast` number, since 1 + 633 + 3 + 8 + 9 + 6 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163338961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648045 + ... + 648296.

It is an arithmetic number, because the mean of its divisors is an integer number (16852446).

Almost surely, 2^163338966 is an apocalyptic number.

163338966 is an abundant number, since it is smaller than the sum of its proper divisors (241119738).

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

163338966 is a wasteful number, since it uses less digits than its factorization.

163338966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296356 (or 1296353 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 163338966 is about 12780.4133735963. The cubic root of 163338966 is about 546.6339494763.

The spelling of 163338966 in words is "one hundred sixty-three million, three hundred thirty-eight thousand, nine hundred sixty-six".