163323313353 has 6 divisors (see below), whose sum is σ = 235911452634. Its totient is φ = 108882208896.

The previous prime is 163323313337. The next prime is 163323313367. The reversal of 163323313353 is 353313323361.

It is a happy number.

163323313353 is a `hidden beast` number, since 1 + 6 + 332 + 3 + 313 + 3 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 160546866489 + 2776446864 = 400683^2 + 52692^2 .

It is not a de Polignac number, because 163323313353 - 2⁴ = 163323313337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163323313303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9073517400 + ... + 9073517417.

It is an arithmetic number, because the mean of its divisors is an integer number (39318575439).

Almost surely, 2^163323313353 is an apocalyptic number.

It is an amenable number.

163323313353 is a deficient number, since it is larger than the sum of its proper divisors (72588139281).

163323313353 is a wasteful number, since it uses less digits than its factorization.

163323313353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18147034823 (or 18147034820 counting only the distinct ones).

The product of its digits is 131220, while the sum is 36.

The spelling of 163323313353 in words is "one hundred sixty-three billion, three hundred twenty-three million, three hundred thirteen thousand, three hundred fifty-three".