166040214 has 16 divisors (see below), whose sum is σ = 332806320. Its totient is φ = 55225760.

The previous prime is 166040213. The next prime is 166040233. The reversal of 166040214 is 412040661.

166040214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166040213) 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, 27249 + ... + 32780.

It is an arithmetic number, because the mean of its divisors is an integer number (20800395).

Almost surely, 2^166040214 is an apocalyptic number.

166040214 is an abundant number, since it is smaller than the sum of its proper divisors (166766106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166040214 is a wasteful number, since it uses less digits than its factorization.

166040214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60495.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 166040214 is about 12885.6592380832. The cubic root of 166040214 is about 549.6308420852.

Adding to 166040214 its reverse (412040661), we get a palindrome (578080875).

The spelling of 166040214 in words is "one hundred sixty-six million, forty thousand, two hundred fourteen".