66848447832 has 32 divisors (see below), whose sum is σ = 168844023600. Its totient is φ = 22053095424.

The previous prime is 66848447803. The next prime is 66848447923. The reversal of 66848447832 is 23874484866.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14355157 + ... + 14359812.

Almost surely, 2^66848447832 is an apocalyptic number.

It is an amenable number.

66848447832 is an abundant number, since it is smaller than the sum of its proper divisors (101995575768).

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

66848447832 is a wasteful number, since it uses less digits than its factorization.

66848447832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28715075 (or 28715071 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 60.

The spelling of 66848447832 in words is "sixty-six billion, eight hundred forty-eight million, four hundred forty-seven thousand, eight hundred thirty-two".