66592212 has 24 divisors (see below), whose sum is σ = 155734656. Its totient is φ = 22147008.

The previous prime is 66592187. The next prime is 66592237. The reversal of 66592212 is 21229566.

It is an interprime number because it is at equal distance from previous prime (66592187) and next prime (66592237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588 + ... + 11555.

It is an arithmetic number, because the mean of its divisors is an integer number (6488944).

Almost surely, 2^66592212 is an apocalyptic number.

It is an amenable number.

66592212 is an abundant number, since it is smaller than the sum of its proper divisors (89142444).

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

66592212 is a wasteful number, since it uses less digits than its factorization.

66592212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12607 (or 12605 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 66592212 is about 8160.4051370015. The cubic root of 66592212 is about 405.3291273682.

The spelling of 66592212 in words is "sixty-six million, five hundred ninety-two thousand, two hundred twelve".