163956822 has 8 divisors (see below), whose sum is σ = 327913656. Its totient is φ = 54652272.

The previous prime is 163956817. The next prime is 163956841. The reversal of 163956822 is 228659361.

It is a sphenic number, since it is the product of 3 distinct primes.

163956822 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13663063 + ... + 13663074.

It is an arithmetic number, because the mean of its divisors is an integer number (40989207).

Almost surely, 2^163956822 is an apocalyptic number.

163956822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163956822 is a wasteful number, since it uses less digits than its factorization.

163956822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27326142.

The product of its digits is 155520, while the sum is 42.

The square root of 163956822 is about 12804.5625462177. The cubic root of 163956822 is about 547.3223259510.

The spelling of 163956822 in words is "one hundred sixty-three million, nine hundred fifty-six thousand, eight hundred twenty-two".