2665704026426 has 32 divisors (see below), whose sum is σ = 4822042648320. Its totient is φ = 1080494718336.

The previous prime is 2665704026407. The next prime is 2665704026437. The reversal of 2665704026426 is 6246204075662.

It is a happy number.

2665704026426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46480241 + ... + 46537556.

It is an arithmetic number, because the mean of its divisors is an integer number (150688832760).

Almost surely, 2^{2665704026426} is an apocalyptic number.

2665704026426 is a deficient number, since it is larger than the sum of its proper divisors (2156338621894).

2665704026426 is a wasteful number, since it uses less digits than its factorization.

2665704026426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93017918.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 2665704026426 in words is "two trillion, six hundred sixty-five billion, seven hundred four million, twenty-six thousand, four hundred twenty-six".