163474733 has 2 divisors, whose sum is σ = 163474734. Its totient is φ = 163474732.

The previous prime is 163474709. The next prime is 163474739. The reversal of 163474733 is 337474361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84584809 + 78889924 = 9197^2 + 8882^2 .

It is a cyclic number.

It is not a de Polignac number, because 163474733 - 2¹⁸ = 163212589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163474739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81737366 + 81737367.

It is an arithmetic number, because the mean of its divisors is an integer number (81737367).

Almost surely, 2^163474733 is an apocalyptic number.

It is an amenable number.

163474733 is a deficient number, since it is larger than the sum of its proper divisors (1).

163474733 is an equidigital number, since it uses as much as digits as its factorization.

163474733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 38.

The square root of 163474733 is about 12785.7237964849. The cubic root of 163474733 is about 546.7853611905.

It can be divided in two parts, 1634 and 74733, that added together give a palindrome (76367).

The spelling of 163474733 in words is "one hundred sixty-three million, four hundred seventy-four thousand, seven hundred thirty-three".