66104616 has 32 divisors (see below), whose sum is σ = 166104000. Its totient is φ = 21922560.

The previous prime is 66104611. The next prime is 66104657. The reversal of 66104616 is 61640166.

66104616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66104611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2145 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (5190750).

Almost surely, 2^66104616 is an apocalyptic number.

It is an amenable number.

66104616 is an abundant number, since it is smaller than the sum of its proper divisors (99999384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66104616 is a wasteful number, since it uses less digits than its factorization.

66104616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049 (or 14045 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 66104616 is about 8130.4745248971. The cubic root of 66104616 is about 404.3374137702.

The spelling of 66104616 in words is "sixty-six million, one hundred four thousand, six hundred sixteen".