163794413 has 4 divisors (see below), whose sum is σ = 165867840. Its totient is φ = 161720988.

The previous prime is 163794401. The next prime is 163794437. The reversal of 163794413 is 314497361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163794413 - 2¹⁰ = 163793389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163794493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036595 + ... + 1036752.

It is an arithmetic number, because the mean of its divisors is an integer number (41466960).

Almost surely, 2^163794413 is an apocalyptic number.

It is an amenable number.

163794413 is a deficient number, since it is larger than the sum of its proper divisors (2073427).

163794413 is an equidigital number, since it uses as much as digits as its factorization.

163794413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073426.

The product of its digits is 54432, while the sum is 38.

The square root of 163794413 is about 12798.2191339264. The cubic root of 163794413 is about 547.1415477904.

The spelling of 163794413 in words is "one hundred sixty-three million, seven hundred ninety-four thousand, four hundred thirteen".