166022195 has 8 divisors (see below), whose sum is σ = 200748240. Its totient is φ = 131803360.

The previous prime is 166022191. The next prime is 166022203. The reversal of 166022195 is 591220661.

It is a happy number.

166022195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 166022195 - 2² = 166022191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166022191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126080 + ... + 127389.

It is an arithmetic number, because the mean of its divisors is an integer number (25093530).

Almost surely, 2^166022195 is an apocalyptic number.

166022195 is a deficient number, since it is larger than the sum of its proper divisors (34726045).

166022195 is a wasteful number, since it uses less digits than its factorization.

166022195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253605.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 166022195 is about 12884.9600309819. The cubic root of 166022195 is about 549.6109590376.

The spelling of 166022195 in words is "one hundred sixty-six million, twenty-two thousand, one hundred ninety-five".