66673403374008 has 32 divisors (see below), whose sum is σ = 166693764963600. Its totient is φ = 22223100254208.

The previous prime is 66673403374007. The next prime is 66673403374013. The reversal of 66673403374008 is 80047330437666.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66673403374007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85072873 + ... + 85853016.

Almost surely, 2^{66673403374008} is an apocalyptic number.

It is an amenable number.

66673403374008 is an abundant number, since it is smaller than the sum of its proper divisors (100020361589592).

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

66673403374008 is a wasteful number, since it uses less digits than its factorization.

66673403374008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170942151 (or 170942147 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 57.

The spelling of 66673403374008 in words is "sixty-six trillion, six hundred seventy-three billion, four hundred three million, three hundred seventy-four thousand, eight".