163330372 has 12 divisors (see below), whose sum is σ = 286103020. Its totient is φ = 81586656.

The previous prime is 163330369. The next prime is 163330379. The reversal of 163330372 is 273033361.

It can be written as a sum of positive squares in 2 ways, for example, as 66031876 + 97298496 = 8126^2 + 9864^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 163330372.

It is not an unprimeable number, because it can be changed into a prime (163330379) 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 3 ways as a sum of consecutive naturals, for example, 14823 + ... + 23374.

Almost surely, 2^163330372 is an apocalyptic number.

It is an amenable number.

163330372 is a deficient number, since it is larger than the sum of its proper divisors (122772648).

163330372 is a wasteful number, since it uses less digits than its factorization.

163330372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39270 (or 39268 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 28.

The square root of 163330372 is about 12780.0771515668. The cubic root of 163330372 is about 546.6243623486.

The spelling of 163330372 in words is "one hundred sixty-three million, three hundred thirty thousand, three hundred seventy-two".