66332270823936 has 320 divisors, whose sum is σ = 198190471248000. Its totient is φ = 19573857386496.

The previous prime is 66332270823893. The next prime is 66332270823961. The reversal of 66332270823936 is 63932807223366.

It is a super-2 number, since 2×66332270823936² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66332270823936.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85897335 + ... + 86666121.

It is an arithmetic number, because the mean of its divisors is an integer number (619345222650).

Almost surely, 2^{66332270823936} 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 66332270823936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99095235624000).

66332270823936 is an abundant number, since it is smaller than the sum of its proper divisors (131858200424064).

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

66332270823936 is a wasteful number, since it uses less digits than its factorization.

66332270823936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768999 (or 768983 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 60.

The spelling of 66332270823936 in words is "sixty-six trillion, three hundred thirty-two billion, two hundred seventy million, eight hundred twenty-three thousand, nine hundred thirty-six".