66211352 has 64 divisors (see below), whose sum is σ = 137119200. Its totient is φ = 29859840.

The previous prime is 66211349. The next prime is 66211361. The reversal of 66211352 is 25311266.

66211352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 342968 + ... + 343160.

Almost surely, 2^66211352 is an apocalyptic number.

It is an amenable number.

66211352 is an abundant number, since it is smaller than the sum of its proper divisors (70907848).

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

66211352 is a wasteful number, since it uses less digits than its factorization.

66211352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 312 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 66211352 is about 8137.0358239349. The cubic root of 66211352 is about 404.5549182531.

The spelling of 66211352 in words is "sixty-six million, two hundred eleven thousand, three hundred fifty-two".