163914013 has 2 divisors, whose sum is σ = 163914014. Its totient is φ = 163914012.

The previous prime is 163913993. The next prime is 163914029. The reversal of 163914013 is 310419361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135419769 + 28494244 = 11637^2 + 5338^2 .

It is a cyclic number.

It is not a de Polignac number, because 163914013 - 2⁹ = 163913501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163914053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81957006 + 81957007.

It is an arithmetic number, because the mean of its divisors is an integer number (81957007).

Almost surely, 2^163914013 is an apocalyptic number.

It is an amenable number.

163914013 is a deficient number, since it is larger than the sum of its proper divisors (1).

163914013 is an equidigital number, since it uses as much as digits as its factorization.

163914013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 163914013 is about 12802.8908063765. The cubic root of 163914013 is about 547.2746866586.

The spelling of 163914013 in words is "one hundred sixty-three million, nine hundred fourteen thousand, thirteen".