66412396 has 6 divisors (see below), whose sum is σ = 116221700. Its totient is φ = 33206196.

The previous prime is 66412337. The next prime is 66412397. The reversal of 66412396 is 69321466.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66412397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8301546 + ... + 8301553.

Almost surely, 2^66412396 is an apocalyptic number.

It is an amenable number.

66412396 is a deficient number, since it is larger than the sum of its proper divisors (49809304).

66412396 is a wasteful number, since it uses less digits than its factorization.

66412396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16603103 (or 16603101 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 66412396 is about 8149.3800991241. The cubic root of 66412396 is about 404.9639677337.

The spelling of 66412396 in words is "sixty-six million, four hundred twelve thousand, three hundred ninety-six".