66084252 has 24 divisors (see below), whose sum is σ = 166058256. Its totient is φ = 20333568.

The previous prime is 66084247. The next prime is 66084349. The reversal of 66084252 is 25248066.

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, 211653 + ... + 211964.

It is an arithmetic number, because the mean of its divisors is an integer number (6919094).

Almost surely, 2^66084252 is an apocalyptic number.

It is an amenable number.

66084252 is an abundant number, since it is smaller than the sum of its proper divisors (99974004).

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

66084252 is a wasteful number, since it uses less digits than its factorization.

66084252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423637 (or 423635 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 66084252 is about 8129.2221030059. Note that the first 3 decimals coincide. The cubic root of 66084252 is about 404.2958898281.

The spelling of 66084252 in words is "sixty-six million, eighty-four thousand, two hundred fifty-two".