163982847 has 32 divisors (see below), whose sum is σ = 261660672. Its totient is φ = 89315424.

The previous prime is 163982843. The next prime is 163982857. The reversal of 163982847 is 748289361.

It is not a de Polignac number, because 163982847 - 2² = 163982843 is a prime.

It is a super-2 number, since 2×163982847² = 53780748220450818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 163982796 and 163982805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163982843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225198 + ... + 225924.

It is an arithmetic number, because the mean of its divisors is an integer number (8176896).

Almost surely, 2^163982847 is an apocalyptic number.

163982847 is a deficient number, since it is larger than the sum of its proper divisors (97677825).

163982847 is a wasteful number, since it uses less digits than its factorization.

163982847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227.

The product of its digits is 580608, while the sum is 48.

The square root of 163982847 is about 12805.5787452188. The cubic root of 163982847 is about 547.3512833919.

The spelling of 163982847 in words is "one hundred sixty-three million, nine hundred eighty-two thousand, eight hundred forty-seven".