66183312 has 120 divisors (see below), whose sum is σ = 196126336. Its totient is φ = 19113984.

The previous prime is 66183301. The next prime is 66183317. The reversal of 66183312 is 21338166.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 66183312.

It is not an unprimeable number, because it can be changed into a prime (66183317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180153 + ... + 180519.

Almost surely, 2^66183312 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 66183312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98063168).

66183312 is an abundant number, since it is smaller than the sum of its proper divisors (129943024).

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

66183312 is a wasteful number, since it uses less digits than its factorization.

66183312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 402 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 66183312 is about 8135.3126553317. The cubic root of 66183312 is about 404.4978015540.

The spelling of 66183312 in words is "sixty-six million, one hundred eighty-three thousand, three hundred twelve".