163671622 has 4 divisors (see below), whose sum is σ = 245507436. Its totient is φ = 81835810.

The previous prime is 163671593. The next prime is 163671637. The reversal of 163671622 is 226176361.

It is a happy number.

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

It is a super-2 number, since 2×163671622² = 53576799696221768, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 40917904 + ... + 40917907.

It is an arithmetic number, because the mean of its divisors is an integer number (61376859).

Almost surely, 2^163671622 is an apocalyptic number.

163671622 is a deficient number, since it is larger than the sum of its proper divisors (81835814).

163671622 is an equidigital number, since it uses as much as digits as its factorization.

163671622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81835813.

The product of its digits is 18144, while the sum is 34.

The square root of 163671622 is about 12793.4210436458. The cubic root of 163671622 is about 547.0047892525.

The spelling of 163671622 in words is "one hundred sixty-three million, six hundred seventy-one thousand, six hundred twenty-two".