2660321762426 has 16 divisors (see below), whose sum is σ = 4119285903360. Its totient is φ = 1287228086640.

The previous prime is 2660321762411. The next prime is 2660321762503. The reversal of 2660321762426 is 6242671230662.

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, 3141620 + ... + 3897488.

It is an arithmetic number, because the mean of its divisors is an integer number (257455368960).

Almost surely, 2^{2660321762426} is an apocalyptic number.

2660321762426 is a deficient number, since it is larger than the sum of its proper divisors (1458964140934).

2660321762426 is a wasteful number, since it uses less digits than its factorization.

2660321762426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812669.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 2660321762426 in words is "two trillion, six hundred sixty billion, three hundred twenty-one million, seven hundred sixty-two thousand, four hundred twenty-six".