2566466646652 has 6 divisors (see below), whose sum is σ = 4491316631648. Its totient is φ = 1283233323324.

The previous prime is 2566466646637. The next prime is 2566466646673.

2566466646652 is nontrivially palindromic in base 10.

2566466646652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320808330828 + ... + 320808330835.

Almost surely, 2^{2566466646652} is an apocalyptic number.

It is an amenable number.

2566466646652 is a deficient number, since it is larger than the sum of its proper divisors (1924849984996).

2566466646652 is a wasteful number, since it uses less digits than its factorization.

2566466646652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641616661667 (or 641616661665 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 64.

The spelling of 2566466646652 in words is "two trillion, five hundred sixty-six billion, four hundred sixty-six million, six hundred forty-six thousand, six hundred fifty-two".