167225144 has 8 divisors (see below), whose sum is σ = 313547160. Its totient is φ = 83612568.

The previous prime is 167225119. The next prime is 167225153. The reversal of 167225144 is 441522761.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 167225144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10451564 + ... + 10451579.

It is an arithmetic number, because the mean of its divisors is an integer number (39193395).

Almost surely, 2^167225144 is an apocalyptic number.

It is an amenable number.

167225144 is a deficient number, since it is larger than the sum of its proper divisors (146322016).

167225144 is a wasteful number, since it uses less digits than its factorization.

167225144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20903149 (or 20903145 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 167225144 is about 12931.5561321907. The cubic root of 167225144 is about 550.9352066920.

The spelling of 167225144 in words is "one hundred sixty-seven million, two hundred twenty-five thousand, one hundred forty-four".