166071922 has 8 divisors (see below), whose sum is σ = 257697900. Its totient is φ = 80172624.

The previous prime is 166071889. The next prime is 166071923. The reversal of 166071922 is 229170661.

166071922 is digitally balanced in base 2, 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 143784081 + 22287841 = 11991^2 + 4721^2 .

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 (166071923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431597 + ... + 1431712.

Almost surely, 2^166071922 is an apocalyptic number.

166071922 is a deficient number, since it is larger than the sum of its proper divisors (91625978).

166071922 is a wasteful number, since it uses less digits than its factorization.

166071922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863340.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 166071922 is about 12886.8895393730. The cubic root of 166071922 is about 549.6658267536.

The spelling of 166071922 in words is "one hundred sixty-six million, seventy-one thousand, nine hundred twenty-two".