163982503 has 2 divisors, whose sum is σ = 163982504. Its totient is φ = 163982502.

The previous prime is 163982491. The next prime is 163982513. The reversal of 163982503 is 305289361.

163982503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163982503 - 2⁹ = 163981991 is a prime.

It is a super-2 number, since 2×163982503² = 53780522580290018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163982513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81991251 + 81991252.

It is an arithmetic number, because the mean of its divisors is an integer number (81991252).

Almost surely, 2^163982503 is an apocalyptic number.

163982503 is a deficient number, since it is larger than the sum of its proper divisors (1).

163982503 is an equidigital number, since it uses as much as digits as its factorization.

163982503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 163982503 is about 12805.5653135658. The cubic root of 163982503 is about 547.3509006507.

The spelling of 163982503 in words is "one hundred sixty-three million, nine hundred eighty-two thousand, five hundred three".