166066712 has 16 divisors (see below), whose sum is σ = 355857360. Its totient is φ = 71171424.

The previous prime is 166066709. The next prime is 166066717. The reversal of 166066712 is 217660661.

166066712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×166066712⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166066717) 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, 1482683 + ... + 1482794.

It is an arithmetic number, because the mean of its divisors is an integer number (22241085).

Almost surely, 2^166066712 is an apocalyptic number.

It is an amenable number.

166066712 is an abundant number, since it is smaller than the sum of its proper divisors (189790648).

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

166066712 is a wasteful number, since it uses less digits than its factorization.

166066712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965490 (or 2965486 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 166066712 is about 12886.6873943617. The cubic root of 166066712 is about 549.6600786639.

The spelling of 166066712 in words is "one hundred sixty-six million, sixty-six thousand, seven hundred twelve".