163826947 has 12 divisors (see below), whose sum is σ = 168870744. Its totient is φ = 158928000.

The previous prime is 163826921. The next prime is 163826969. The reversal of 163826947 is 749628361.

It is not a de Polignac number, because 163826947 - 2²⁷ = 29609219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163826897 and 163826906.

It is not an unprimeable number, because it can be changed into a prime (163826347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463923 + ... + 464275.

It is an arithmetic number, because the mean of its divisors is an integer number (14072562).

Almost surely, 2^163826947 is an apocalyptic number.

163826947 is a deficient number, since it is larger than the sum of its proper divisors (5043797).

163826947 is an equidigital number, since it uses as much as digits as its factorization.

163826947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 647 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 163826947 is about 12799.4901070316. The cubic root of 163826947 is about 547.1777710949.

The spelling of 163826947 in words is "one hundred sixty-three million, eight hundred twenty-six thousand, nine hundred forty-seven".