66160212 has 12 divisors (see below), whose sum is σ = 154373856. Its totient is φ = 22053400.

The previous prime is 66160189. The next prime is 66160229. The reversal of 66160212 is 21206166.

66160212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756664 + ... + 2756687.

It is an arithmetic number, because the mean of its divisors is an integer number (12864488).

Almost surely, 2^66160212 is an apocalyptic number.

It is an amenable number.

66160212 is an abundant number, since it is smaller than the sum of its proper divisors (88213644).

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

66160212 is a wasteful number, since it uses less digits than its factorization.

66160212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513358 (or 5513356 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 66160212 is about 8133.8927949660. The cubic root of 66160212 is about 404.4507353765.

Adding to 66160212 its reverse (21206166), we get a palindrome (87366378).

The spelling of 66160212 in words is "sixty-six million, one hundred sixty thousand, two hundred twelve".