66733334004 has 12 divisors (see below), whose sum is σ = 155711112704. Its totient is φ = 22244444664.

The previous prime is 66733333987. The next prime is 66733334009. The reversal of 66733334004 is 40043333766.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66733334009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780555572 + ... + 2780555595.

Almost surely, 2^66733334004 is an apocalyptic number.

It is an amenable number.

66733334004 is an abundant number, since it is smaller than the sum of its proper divisors (88977778700).

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

66733334004 is a wasteful number, since it uses less digits than its factorization.

66733334004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561111174 (or 5561111172 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 39.

The spelling of 66733334004 in words is "sixty-six billion, seven hundred thirty-three million, three hundred thirty-four thousand, four".