166379422 has 8 divisors (see below), whose sum is σ = 272257272. Its totient is φ = 75627000.

The previous prime is 166379419. The next prime is 166379429. The reversal of 166379422 is 224973661.

It is a happy number.

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

It is a super-2 number, since 2×166379422² = 55364224130108168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166379429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781329 + ... + 3781372.

It is an arithmetic number, because the mean of its divisors is an integer number (34032159).

Almost surely, 2^166379422 is an apocalyptic number.

166379422 is a deficient number, since it is larger than the sum of its proper divisors (105877850).

166379422 is a wasteful number, since it uses less digits than its factorization.

166379422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562714.

The product of its digits is 108864, while the sum is 40.

The square root of 166379422 is about 12898.8147517514. The cubic root of 166379422 is about 550.0048726841.

The spelling of 166379422 in words is "one hundred sixty-six million, three hundred seventy-nine thousand, four hundred twenty-two".