66673474814 has 8 divisors (see below), whose sum is σ = 101000412648. Its totient is φ = 33006670600.

The previous prime is 66673474799. The next prime is 66673474873. The reversal of 66673474814 is 41847437666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66673474814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165033152 + ... + 165033555.

It is an arithmetic number, because the mean of its divisors is an integer number (12625051581).

Almost surely, 2^66673474814 is an apocalyptic number.

66673474814 is a deficient number, since it is larger than the sum of its proper divisors (34326937834).

66673474814 is a wasteful number, since it uses less digits than its factorization.

66673474814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330066810.

The product of its digits is 16257024, while the sum is 56.

The spelling of 66673474814 in words is "sixty-six billion, six hundred seventy-three million, four hundred seventy-four thousand, eight hundred fourteen".