214402166 has 16 divisors (see below), whose sum is σ = 352380240. Its totient is φ = 97027680.

The previous prime is 214402163. The next prime is 214402189. The reversal of 214402166 is 661204412.

214402166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×214402166³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214402163) 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, 16241 + ... + 26316.

It is an arithmetic number, because the mean of its divisors is an integer number (22023765).

Almost surely, 2^214402166 is an apocalyptic number.

214402166 is a deficient number, since it is larger than the sum of its proper divisors (137978074).

214402166 is a wasteful number, since it uses less digits than its factorization.

214402166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42799.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 214402166 is about 14642.4781372553. The cubic root of 214402166 is about 598.5168609257.

Adding to 214402166 its reverse (661204412), we get a palindrome (875606578).

The spelling of 214402166 in words is "two hundred fourteen million, four hundred two thousand, one hundred sixty-six".