66371322 has 8 divisors (see below), whose sum is σ = 132742656. Its totient is φ = 22123772.

The previous prime is 66371321. The next prime is 66371323. The reversal of 66371322 is 22317366.

It is an interprime number because it is at equal distance from previous prime (66371321) and next prime (66371323).

It is a sphenic number, since it is the product of 3 distinct primes.

66371322 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 66371322.

It is not an unprimeable number, because it can be changed into a prime (66371321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5530938 + ... + 5530949.

It is an arithmetic number, because the mean of its divisors is an integer number (16592832).

Almost surely, 2^66371322 is an apocalyptic number.

66371322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66371322 is a wasteful number, since it uses less digits than its factorization.

66371322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061892.

The product of its digits is 9072, while the sum is 30.

The square root of 66371322 is about 8146.8596403768. The cubic root of 66371322 is about 404.8804646465.

Adding to 66371322 its reverse (22317366), we get a palindrome (88688688).

The spelling of 66371322 in words is "sixty-six million, three hundred seventy-one thousand, three hundred twenty-two".