66228079230 has 96 divisors (see below), whose sum is σ = 178643556000. Its totient is φ = 17002734336.

The previous prime is 66228079217. The next prime is 66228079249. The reversal of 66228079230 is 3297082266.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 874537 + ... + 947243.

It is an arithmetic number, because the mean of its divisors is an integer number (1860870375).

Almost surely, 2^66228079230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66228079230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89321778000).

66228079230 is an abundant number, since it is smaller than the sum of its proper divisors (112415476770).

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

66228079230 is a wasteful number, since it uses less digits than its factorization.

66228079230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73098 (or 73095 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 66228079230 in words is "sixty-six billion, two hundred twenty-eight million, seventy-nine thousand, two hundred thirty".