163841794 has 4 divisors (see below), whose sum is σ = 245762694. Its totient is φ = 81920896.

The previous prime is 163841771. The next prime is 163841803. The reversal of 163841794 is 497148361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108889225 + 54952569 = 10435^2 + 7413^2 .

It is a super-2 number, since 2×163841794² = 53688266922276872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163841794.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40960447 + ... + 40960450.

Almost surely, 2^163841794 is an apocalyptic number.

163841794 is a deficient number, since it is larger than the sum of its proper divisors (81920900).

163841794 is an equidigital number, since it uses as much as digits as its factorization.

163841794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81920899.

The product of its digits is 145152, while the sum is 43.

The square root of 163841794 is about 12800.0700779332. The cubic root of 163841794 is about 547.1943001277.

The spelling of 163841794 in words is "one hundred sixty-three million, eight hundred forty-one thousand, seven hundred ninety-four".