66315332 has 12 divisors (see below), whose sum is σ = 116123280. Its totient is φ = 33137256.

The previous prime is 66315329. The next prime is 66315341. The reversal of 66315332 is 23351366.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66315295 and 66315304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4019 + ... + 12197.

It is an arithmetic number, because the mean of its divisors is an integer number (9676940).

Almost surely, 2^66315332 is an apocalyptic number.

It is an amenable number.

66315332 is a deficient number, since it is larger than the sum of its proper divisors (49807948).

66315332 is a wasteful number, since it uses less digits than its factorization.

66315332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210 (or 10208 counting only the distinct ones).

The product of its digits is 9720, while the sum is 29.

The square root of 66315332 is about 8143.4226219692. The cubic root of 66315332 is about 404.7665819533.

Adding to 66315332 its reverse (23351366), we get a palindrome (89666698).

The spelling of 66315332 in words is "sixty-six million, three hundred fifteen thousand, three hundred thirty-two".