163353401 has 2 divisors, whose sum is σ = 163353402. Its totient is φ = 163353400.

The previous prime is 163353371. The next prime is 163353403. The reversal of 163353401 is 104353361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146991376 + 16362025 = 12124^2 + 4045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163353401 is a prime.

Together with 163353403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (163353403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81676700 + 81676701.

It is an arithmetic number, because the mean of its divisors is an integer number (81676701).

Almost surely, 2^163353401 is an apocalyptic number.

It is an amenable number.

163353401 is a deficient number, since it is larger than the sum of its proper divisors (1).

163353401 is an equidigital number, since it uses as much as digits as its factorization.

163353401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 163353401 is about 12780.9780924623. The cubic root of 163353401 is about 546.6500518366.

The spelling of 163353401 in words is "one hundred sixty-three million, three hundred fifty-three thousand, four hundred one".