163667122 has 8 divisors (see below), whose sum is σ = 246555036. Its totient is φ = 81482112.

The previous prime is 163667111. The next prime is 163667129. The reversal of 163667122 is 221766361.

It is a happy number.

163667122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159542161 + 4124961 = 12631^2 + 2031^2 .

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

It is not an unprimeable number, because it can be changed into a prime (163667129) 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 3 ways as a sum of consecutive naturals, for example, 175143 + ... + 176074.

Almost surely, 2^163667122 is an apocalyptic number.

163667122 is a deficient number, since it is larger than the sum of its proper divisors (82887914).

163667122 is a wasteful number, since it uses less digits than its factorization.

163667122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351452.

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

The square root of 163667122 is about 12793.2451707923. The cubic root of 163667122 is about 546.9997760762. Note that the first 3 decimals are identical.

The spelling of 163667122 in words is "one hundred sixty-three million, six hundred sixty-seven thousand, one hundred twenty-two".