66043052 has 12 divisors (see below), whose sum is σ = 117038880. Its totient is φ = 32603376.

The previous prime is 66043013. The next prime is 66043067. The reversal of 66043052 is 25034066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104183 + ... + 104814.

It is an arithmetic number, because the mean of its divisors is an integer number (9753240).

Almost surely, 2^66043052 is an apocalyptic number.

It is an amenable number.

66043052 is a deficient number, since it is larger than the sum of its proper divisors (50995828).

66043052 is a wasteful number, since it uses less digits than its factorization.

66043052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209080 (or 209078 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 66043052 is about 8126.6876401151. The cubic root of 66043052 is about 404.2118534001.

The spelling of 66043052 in words is "sixty-six million, forty-three thousand, fifty-two".