2660136666430 has 48 divisors (see below), whose sum is σ = 5054975015760. Its totient is φ = 1007762108544.

The previous prime is 2660136666427. The next prime is 2660136666521. The reversal of 2660136666430 is 346666310662.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12671682 + ... + 12879898.

It is an arithmetic number, because the mean of its divisors is an integer number (105311979495).

Almost surely, 2^{2660136666430} is an apocalyptic number.

2660136666430 is a deficient number, since it is larger than the sum of its proper divisors (2394838349330).

2660136666430 is a wasteful number, since it uses less digits than its factorization.

2660136666430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211801 (or 211782 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 49.

The spelling of 2660136666430 in words is "two trillion, six hundred sixty billion, one hundred thirty-six million, six hundred sixty-six thousand, four hundred thirty".