163356313 has 2 divisors, whose sum is σ = 163356314. Its totient is φ = 163356312.

The previous prime is 163356311. The next prime is 163356317. The reversal of 163356313 is 313653361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146603664 + 16752649 = 12108^2 + 4093^2 .

It is a cyclic number.

It is not a de Polignac number, because 163356313 - 2¹ = 163356311 is a prime.

Together with 163356311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (163356311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81678156 + 81678157.

It is an arithmetic number, because the mean of its divisors is an integer number (81678157).

Almost surely, 2^163356313 is an apocalyptic number.

It is an amenable number.

163356313 is a deficient number, since it is larger than the sum of its proper divisors (1).

163356313 is an equidigital number, since it uses as much as digits as its factorization.

163356313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 31.

The square root of 163356313 is about 12781.0920112485. The cubic root of 163356313 is about 546.6533000813.

The spelling of 163356313 in words is "one hundred sixty-three million, three hundred fifty-six thousand, three hundred thirteen".