163332247 has 6 divisors (see below), whose sum is σ = 176862912. Its totient is φ = 150768072.

The previous prime is 163332229. The next prime is 163332283. The reversal of 163332247 is 742233361.

It is a de Polignac number, because none of the positive numbers 2^k-163332247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163332217) 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 5 ways as a sum of consecutive naturals, for example, 483063 + ... + 483400.

It is an arithmetic number, because the mean of its divisors is an integer number (29477152).

Almost surely, 2^163332247 is an apocalyptic number.

163332247 is a deficient number, since it is larger than the sum of its proper divisors (13530665).

163332247 is an equidigital number, since it uses as much as digits as its factorization.

163332247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966489 (or 966476 counting only the distinct ones).

The product of its digits is 18144, while the sum is 31.

The square root of 163332247 is about 12780.1505077209. The cubic root of 163332247 is about 546.6264540534.

The spelling of 163332247 in words is "one hundred sixty-three million, three hundred thirty-two thousand, two hundred forty-seven".