66283888312 has 32 divisors (see below), whose sum is σ = 128455891200. Its totient is φ = 32045976544.

The previous prime is 66283888291. The next prime is 66283888313. The reversal of 66283888312 is 21388838266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66283888313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030762 + ... + 1093177.

It is an arithmetic number, because the mean of its divisors is an integer number (4014246600).

Almost surely, 2^66283888312 is an apocalyptic number.

It is an amenable number.

66283888312 is a deficient number, since it is larger than the sum of its proper divisors (62172002888).

66283888312 is a wasteful number, since it uses less digits than its factorization.

66283888312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124075 (or 2124071 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 55.

The spelling of 66283888312 in words is "sixty-six billion, two hundred eighty-three million, eight hundred eighty-eight thousand, three hundred twelve".