66413308 has 24 divisors (see below), whose sum is σ = 125633648. Its totient is φ = 30537216.

The previous prime is 66413299. The next prime is 66413357. The reversal of 66413308 is 80331466.

It is a self number, because there is not a number n which added to its sum of digits gives 66413308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12460 + ... + 16972.

Almost surely, 2^66413308 is an apocalyptic number.

It is an amenable number.

66413308 is a deficient number, since it is larger than the sum of its proper divisors (59220340).

66413308 is a wasteful number, since it uses less digits than its factorization.

66413308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813 (or 4811 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 66413308 is about 8149.4360541083. The cubic root of 66413308 is about 404.9658214311.

The spelling of 66413308 in words is "sixty-six million, four hundred thirteen thousand, three hundred eight".