66673085300 has 18 divisors (see below), whose sum is σ = 144680595318. Its totient is φ = 26669234080.

The previous prime is 66673085299. The next prime is 66673085363. The reversal of 66673085300 is 358037666.

It can be written as a sum of positive squares in 3 ways, for example, as 122500624 + 66550584676 = 11068^2 + 257974^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333365327 + ... + 333365526.

It is an arithmetic number, because the mean of its divisors is an integer number (8037810851).

Almost surely, 2^66673085300 is an apocalyptic number.

It is an amenable number.

66673085300 is an abundant number, since it is smaller than the sum of its proper divisors (78007510018).

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

66673085300 is a wasteful number, since it uses less digits than its factorization.

66673085300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666730867 (or 666730860 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 66673085300 in words is "sixty-six billion, six hundred seventy-three million, eighty-five thousand, three hundred".