66683068 has 6 divisors (see below), whose sum is σ = 116695376. Its totient is φ = 33341532.

The previous prime is 66683059. The next prime is 66683069. The reversal of 66683068 is 86038666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66683069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8335380 + ... + 8335387.

Almost surely, 2^66683068 is an apocalyptic number.

It is an amenable number.

66683068 is a deficient number, since it is larger than the sum of its proper divisors (50012308).

66683068 is a wasteful number, since it uses less digits than its factorization.

66683068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16670771 (or 16670769 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 66683068 is about 8165.9701199551. The cubic root of 66683068 is about 405.5133823858.

The spelling of 66683068 in words is "sixty-six million, six hundred eighty-three thousand, sixty-eight".