2666398237424 has 40 divisors (see below), whose sum is σ = 5317608603648. Its totient is φ = 1294558856640.

The previous prime is 2666398237357. The next prime is 2666398237453. The reversal of 2666398237424 is 4247328936662.

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 7 ways as a sum of consecutive naturals, for example, 13864112 + ... + 14055119.

Almost surely, 2^{2666398237424} is an apocalyptic number.

It is an amenable number.

2666398237424 is a deficient number, since it is larger than the sum of its proper divisors (2651210366224).

2666398237424 is a wasteful number, since it uses less digits than its factorization.

2666398237424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27919413 (or 27919407 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 62.

The spelling of 2666398237424 in words is "two trillion, six hundred sixty-six billion, three hundred ninety-eight million, two hundred thirty-seven thousand, four hundred twenty-four".