66733334074008 has 128 divisors (see below), whose sum is σ = 217018972800000. Its totient is φ = 18601626205440.

The previous prime is 66733334074007. The next prime is 66733334074013. The reversal of 66733334074008 is 80047043333766.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66733334074007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538179508 + ... + 538303491.

It is an arithmetic number, because the mean of its divisors is an integer number (1695460725000).

Almost surely, 2^{66733334074008} is an apocalyptic number.

It is an amenable number.

66733334074008 is an abundant number, since it is smaller than the sum of its proper divisors (150285638725992).

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

66733334074008 is a wasteful number, since it uses less digits than its factorization.

66733334074008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076483062 (or 1076483052 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 54.

The spelling of 66733334074008 in words is "sixty-six trillion, seven hundred thirty-three billion, three hundred thirty-four million, seventy-four thousand, eight".