166867422 has 8 divisors (see below), whose sum is σ = 333734856. Its totient is φ = 55622472.

The previous prime is 166867397. The next prime is 166867457. The reversal of 166867422 is 224768661.

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

166867422 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13905613 + ... + 13905624.

It is an arithmetic number, because the mean of its divisors is an integer number (41716857).

Almost surely, 2^166867422 is an apocalyptic number.

166867422 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.

166867422 is a wasteful number, since it uses less digits than its factorization.

166867422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27811242.

The product of its digits is 193536, while the sum is 42.

The square root of 166867422 is about 12917.7173680182. The cubic root of 166867422 is about 550.5420793259.

The spelling of 166867422 in words is "one hundred sixty-six million, eight hundred sixty-seven thousand, four hundred twenty-two".