163766983 has 2 divisors, whose sum is σ = 163766984. Its totient is φ = 163766982.

The previous prime is 163766951. The next prime is 163766987. The reversal of 163766983 is 389667361.

163766983 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 an emirp because it is prime and its reverse (389667361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163766983 - 2⁵ = 163766951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163766987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81883491 + 81883492.

It is an arithmetic number, because the mean of its divisors is an integer number (81883492).

Almost surely, 2^163766983 is an apocalyptic number.

163766983 is a deficient number, since it is larger than the sum of its proper divisors (1).

163766983 is an equidigital number, since it uses as much as digits as its factorization.

163766983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 163766983 is about 12797.1474555856. The cubic root of 163766983 is about 547.1110035444. Note that the first 3 decimals are identical.

The spelling of 163766983 in words is "one hundred sixty-three million, seven hundred sixty-six thousand, nine hundred eighty-three".