66408334 has 16 divisors (see below), whose sum is σ = 100992528. Its totient is φ = 32746752.

The previous prime is 66408317. The next prime is 66408361. The reversal of 66408334 is 43380466.

It is a self number, because there is not a number n which added to its sum of digits gives 66408334.

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, 90232 + ... + 90964.

It is an arithmetic number, because the mean of its divisors is an integer number (6312033).

Almost surely, 2^66408334 is an apocalyptic number.

66408334 is a deficient number, since it is larger than the sum of its proper divisors (34584194).

66408334 is a wasteful number, since it uses less digits than its factorization.

66408334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 66408334 is about 8149.1308739031. The cubic root of 66408334 is about 404.9557112572.

The spelling of 66408334 in words is "sixty-six million, four hundred eight thousand, three hundred thirty-four".