66322336 has 12 divisors (see below), whose sum is σ = 130572162. Its totient is φ = 33161152.

The previous prime is 66322303. The next prime is 66322337. The reversal of 66322336 is 63322366.

It can be written as a sum of positive squares in only one way, i.e., 65610000 + 712336 = 8100^2 + 844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66322298 and 66322307.

It is not an unprimeable number, because it can be changed into a prime (66322337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036255 + ... + 1036318.

Almost surely, 2^66322336 is an apocalyptic number.

It is an amenable number.

66322336 is a deficient number, since it is larger than the sum of its proper divisors (64249826).

66322336 is a wasteful number, since it uses less digits than its factorization.

66322336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072583 (or 2072575 counting only the distinct ones).

The product of its digits is 23328, while the sum is 31.

The square root of 66322336 is about 8143.8526509263. The cubic root of 66322336 is about 404.7808314753.

The spelling of 66322336 in words is "sixty-six million, three hundred twenty-two thousand, three hundred thirty-six".