66233286912 has 144 divisors (see below), whose sum is σ = 190343559168. Its totient is φ = 20325089280.

The previous prime is 66233286877. The next prime is 66233286953. The reversal of 66233286912 is 21968233266.

66233286912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 3815212 + ... + 3832532.

It is an arithmetic number, because the mean of its divisors is an integer number (1321830272).

Almost surely, 2^66233286912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66233286912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95171779584).

66233286912 is an abundant number, since it is smaller than the sum of its proper divisors (124110272256).

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

66233286912 is a wasteful number, since it uses less digits than its factorization.

66233286912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17736 (or 17722 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The spelling of 66233286912 in words is "sixty-six billion, two hundred thirty-three million, two hundred eighty-six thousand, nine hundred twelve".