66463306 has 36 divisors (see below), whose sum is σ = 125610102. Its totient is φ = 26286624.

The previous prime is 66463289. The next prime is 66463379. The reversal of 66463306 is 60336466.

It can be written as a sum of positive squares in 3 ways, for example, as 45441081 + 21022225 = 6741^2 + 4585^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14556 + ... + 18568.

Almost surely, 2^66463306 is an apocalyptic number.

66463306 is a deficient number, since it is larger than the sum of its proper divisors (59146796).

66463306 is a wasteful number, since it uses less digits than its factorization.

66463306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055 (or 4035 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 66463306 is about 8152.5030512107. The cubic root of 66463306 is about 405.0674195540.

The spelling of 66463306 in words is "sixty-six million, four hundred sixty-three thousand, three hundred six".