163333361 has 2 divisors, whose sum is σ = 163333362. Its totient is φ = 163333360.

The previous prime is 163333351. The next prime is 163333397.

163333361 is nontrivially palindromic in base 10.

163333361 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., 106481761 + 56851600 = 10319^2 + 7540^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163333361 is a prime.

It is a Chen prime.

It is equal to p_9150815 and since 163333361 and 9150815 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (163333301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81666680 + 81666681.

It is an arithmetic number, because the mean of its divisors is an integer number (81666681).

Almost surely, 2^163333361 is an apocalyptic number.

It is an amenable number.

163333361 is a deficient number, since it is larger than the sum of its proper divisors (1).

163333361 is an equidigital number, since it uses as much as digits as its factorization.

163333361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 29.

The square root of 163333361 is about 12780.1940908579. The cubic root of 163333361 is about 546.6276967974.

The spelling of 163333361 in words is "one hundred sixty-three million, three hundred thirty-three thousand, three hundred sixty-one".