3664866320128 has 72 divisors (see below), whose sum is σ = 7951769381808. Its totient is φ = 1675668406272.

The previous prime is 3664866320119. The next prime is 3664866320147. The reversal of 3664866320128 is 8210236684663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4789801 + ... + 5501992.

It is an arithmetic number, because the mean of its divisors is an integer number (110441241414).

Almost surely, 2^{3664866320128} is an apocalyptic number.

It is an amenable number.

3664866320128 is an abundant number, since it is smaller than the sum of its proper divisors (4286903061680).

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

3664866320128 is a wasteful number, since it uses less digits than its factorization.

3664866320128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10291929 (or 10291915 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 55.

The spelling of 3664866320128 in words is "three trillion, six hundred sixty-four billion, eight hundred sixty-six million, three hundred twenty thousand, one hundred twenty-eight".