66065852 has 12 divisors (see below), whose sum is σ = 115712016. Its totient is φ = 33005280.

The previous prime is 66065843. The next prime is 66065873. The reversal of 66065852 is 25856066.

It is a happy number.

It is a congruent number.

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, 968 + ... + 11535.

It is an arithmetic number, because the mean of its divisors is an integer number (9642668).

Almost surely, 2^66065852 is an apocalyptic number.

It is an amenable number.

66065852 is a deficient number, since it is larger than the sum of its proper divisors (49646164).

66065852 is a wasteful number, since it uses less digits than its factorization.

66065852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828 (or 13826 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 66065852 is about 8128.0903046165. The cubic root of 66065852 is about 404.2583633137.

The spelling of 66065852 in words is "sixty-six million, sixty-five thousand, eight hundred fifty-two".