163982463 has 4 divisors (see below), whose sum is σ = 218643288. Its totient is φ = 109321640.

The previous prime is 163982449. The next prime is 163982473. The reversal of 163982463 is 364289361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163982463 - 2⁸ = 163982207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163982473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27330408 + ... + 27330413.

It is an arithmetic number, because the mean of its divisors is an integer number (54660822).

Almost surely, 2^163982463 is an apocalyptic number.

163982463 is a deficient number, since it is larger than the sum of its proper divisors (54660825).

163982463 is an equidigital number, since it uses as much as digits as its factorization.

163982463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54660824.

The product of its digits is 186624, while the sum is 42.

The square root of 163982463 is about 12805.5637517448. The cubic root of 163982463 is about 547.3508561459.

The spelling of 163982463 in words is "one hundred sixty-three million, nine hundred eighty-two thousand, four hundred sixty-three".