2664526131346 has 4 divisors (see below), whose sum is σ = 3996789197022. Its totient is φ = 1332263065672.

The previous prime is 2664526131317. The next prime is 2664526131349. The reversal of 2664526131346 is 6431316254662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2447613315225 + 216912816121 = 1564485^2 + 465739^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2664526131346.

It is not an unprimeable number, because it can be changed into a prime (2664526131349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666131532835 + ... + 666131532838.

Almost surely, 2^{2664526131346} is an apocalyptic number.

2664526131346 is a deficient number, since it is larger than the sum of its proper divisors (1332263065676).

2664526131346 is a wasteful number, since it uses less digits than its factorization.

2664526131346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332263065675.

The product of its digits is 3732480, while the sum is 49.

The spelling of 2664526131346 in words is "two trillion, six hundred sixty-four billion, five hundred twenty-six million, one hundred thirty-one thousand, three hundred forty-six".