163382477 has 2 divisors, whose sum is σ = 163382478. Its totient is φ = 163382476.

The previous prime is 163382459. The next prime is 163382503. The reversal of 163382477 is 774283361.

163382477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143544361 + 19838116 = 11981^2 + 4454^2 .

It is an emirp because it is prime and its reverse (774283361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163382477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163382437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81691238 + 81691239.

It is an arithmetic number, because the mean of its divisors is an integer number (81691239).

Almost surely, 2^163382477 is an apocalyptic number.

It is an amenable number.

163382477 is a deficient number, since it is larger than the sum of its proper divisors (1).

163382477 is an equidigital number, since it uses as much as digits as its factorization.

163382477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 163382477 is about 12782.1155134821. The cubic root of 163382477 is about 546.6824834722.

The spelling of 163382477 in words is "one hundred sixty-three million, three hundred eighty-two thousand, four hundred seventy-seven".