66652640230 has 32 divisors (see below), whose sum is σ = 132352146720. Its totient is φ = 23964990720.

The previous prime is 66652640227. The next prime is 66652640267. The reversal of 66652640230 is 3204625666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3394329 + ... + 3413908.

It is an arithmetic number, because the mean of its divisors is an integer number (4136004585).

Almost surely, 2^66652640230 is an apocalyptic number.

66652640230 is a deficient number, since it is larger than the sum of its proper divisors (65699506490).

66652640230 is a wasteful number, since it uses less digits than its factorization.

66652640230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808344.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 66652640230 in words is "sixty-six billion, six hundred fifty-two million, six hundred forty thousand, two hundred thirty".