163332971 has 8 divisors (see below), whose sum is σ = 168945504. Its totient is φ = 157798080.

The previous prime is 163332937. The next prime is 163332989. The reversal of 163332971 is 179233361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163332971 - 2¹⁸ = 163070827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163332371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15116 + ... + 23561.

It is an arithmetic number, because the mean of its divisors is an integer number (21118188).

Almost surely, 2^163332971 is an apocalyptic number.

163332971 is a deficient number, since it is larger than the sum of its proper divisors (5612533).

163332971 is a wasteful number, since it uses less digits than its factorization.

163332971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38821.

The product of its digits is 20412, while the sum is 35.

The square root of 163332971 is about 12780.1788328646. The cubic root of 163332971 is about 546.6272617261.

The spelling of 163332971 in words is "one hundred sixty-three million, three hundred thirty-two thousand, nine hundred seventy-one".