66167122 has 16 divisors (see below), whose sum is σ = 113599872. Its totient is φ = 28314720.

The previous prime is 66167083. The next prime is 66167147. The reversal of 66167122 is 22176166.

It is a happy number.

66167122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 7222 + ... + 13582.

It is an arithmetic number, because the mean of its divisors is an integer number (7099992).

Almost surely, 2^66167122 is an apocalyptic number.

66167122 is a deficient number, since it is larger than the sum of its proper divisors (47432750).

66167122 is a wasteful number, since it uses less digits than its factorization.

66167122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7113.

The product of its digits is 6048, while the sum is 31.

The square root of 66167122 is about 8134.3175497395. The cubic root of 66167122 is about 404.4648156281.

The spelling of 66167122 in words is "sixty-six million, one hundred sixty-seven thousand, one hundred twenty-two".