66673333400 has 48 divisors (see below), whose sum is σ = 155036338200. Its totient is φ = 26665748480.

The previous prime is 66673333357. The next prime is 66673333411. The reversal of 66673333400 is 433337666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1866104 + ... + 1901496.

Almost surely, 2^66673333400 is an apocalyptic number.

It is an amenable number.

66673333400 is an abundant number, since it is smaller than the sum of its proper divisors (88363004800).

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

66673333400 is a wasteful number, since it uses less digits than its factorization.

66673333400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44828 (or 44819 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 41.

The spelling of 66673333400 in words is "sixty-six billion, six hundred seventy-three million, three hundred thirty-three thousand, four hundred".