163413377 has 2 divisors, whose sum is σ = 163413378. Its totient is φ = 163413376.

The previous prime is 163413353. The next prime is 163413379. The reversal of 163413377 is 773314361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129026881 + 34386496 = 11359^2 + 5864^2 .

It is a cyclic number.

It is not a de Polignac number, because 163413377 - 2²⁶ = 96304513 is a prime.

Together with 163413379, 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 (163413379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81706688 + 81706689.

It is an arithmetic number, because the mean of its divisors is an integer number (81706689).

Almost surely, 2^163413377 is an apocalyptic number.

It is an amenable number.

163413377 is a deficient number, since it is larger than the sum of its proper divisors (1).

163413377 is an equidigital number, since it uses as much as digits as its factorization.

163413377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 35.

The square root of 163413377 is about 12783.3241764417. The cubic root of 163413377 is about 546.7169453970.

The spelling of 163413377 in words is "one hundred sixty-three million, four hundred thirteen thousand, three hundred seventy-seven".