66541828204 has 6 divisors (see below), whose sum is σ = 116448199364. Its totient is φ = 33270914100.

The previous prime is 66541828153. The next prime is 66541828219. The reversal of 66541828204 is 40282814566.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8317728522 + ... + 8317728529.

Almost surely, 2^66541828204 is an apocalyptic number.

It is an amenable number.

66541828204 is a deficient number, since it is larger than the sum of its proper divisors (49906371160).

66541828204 is a wasteful number, since it uses less digits than its factorization.

66541828204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16635457055 (or 16635457053 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 66541828204 in words is "sixty-six billion, five hundred forty-one million, eight hundred twenty-eight thousand, two hundred four".