166065212 has 12 divisors (see below), whose sum is σ = 290951640. Its totient is φ = 82936176.

The previous prime is 166065209. The next prime is 166065217. The reversal of 166065212 is 212560661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166065217) 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, 20162 + ... + 27177.

It is an arithmetic number, because the mean of its divisors is an integer number (24245970).

Almost surely, 2^166065212 is an apocalyptic number.

It is an amenable number.

166065212 is a deficient number, since it is larger than the sum of its proper divisors (124886428).

166065212 is a wasteful number, since it uses less digits than its factorization.

166065212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48220 (or 48218 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 166065212 is about 12886.6291946343. The cubic root of 166065212 is about 549.6584237214.

The spelling of 166065212 in words is "one hundred sixty-six million, sixty-five thousand, two hundred twelve".