6670734000640 has 40 divisors (see below), whose sum is σ = 15994127074860. Its totient is φ = 2668293599232.

The previous prime is 6670734000631. The next prime is 6670734000677. The reversal of 6670734000640 is 460004370766.

It can be written as a sum of positive squares in 2 ways, for example, as 6079262259456 + 591471741184 = 2465616^2 + 769072^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302875175 + ... + 1302880294.

Almost surely, 2^{6670734000640} is an apocalyptic number.

It is an amenable number.

6670734000640 is an abundant number, since it is smaller than the sum of its proper divisors (9323393074220).

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

6670734000640 is an equidigital number, since it uses as much as digits as its factorization.

6670734000640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605755492 (or 2605755476 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 6670734000640 in words is "six trillion, six hundred seventy billion, seven hundred thirty-four million, six hundred forty", and thus it is an aban number.