66674108 has 6 divisors (see below), whose sum is σ = 116679696. Its totient is φ = 33337052.

The previous prime is 66674107. The next prime is 66674117. The reversal of 66674108 is 80147666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66674107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8334260 + ... + 8334267.

It is an arithmetic number, because the mean of its divisors is an integer number (19446616).

Almost surely, 2^66674108 is an apocalyptic number.

It is an amenable number.

66674108 is a deficient number, since it is larger than the sum of its proper divisors (50005588).

66674108 is a wasteful number, since it uses less digits than its factorization.

66674108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16668531 (or 16668529 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 66674108 is about 8165.4214833038. The cubic root of 66674108 is about 405.4952190411.

The spelling of 66674108 in words is "sixty-six million, six hundred seventy-four thousand, one hundred eight".