66205248 has 28 divisors (see below), whose sum is σ = 175168560. Its totient is φ = 22068352.

The previous prime is 66205241. The next prime is 66205273. The reversal of 66205248 is 84250266.

It is not an unprimeable number, because it can be changed into a prime (66205241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172218 + ... + 172601.

It is an arithmetic number, because the mean of its divisors is an integer number (6256020).

Almost surely, 2^66205248 is an apocalyptic number.

It is an amenable number.

66205248 is an abundant number, since it is smaller than the sum of its proper divisors (108963312).

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

66205248 is a wasteful number, since it uses less digits than its factorization.

66205248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344834 (or 344824 counting only the distinct ones).

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

The square root of 66205248 is about 8136.6607401317. The cubic root of 66205248 is about 404.5424859484.

The spelling of 66205248 in words is "sixty-six million, two hundred five thousand, two hundred forty-eight".