2664526131461 has 4 divisors (see below), whose sum is σ = 2664577808172. Its totient is φ = 2664474454752.

The previous prime is 2664526131439. The next prime is 2664526131467. The reversal of 2664526131461 is 1641316254662.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1013583819361 + 1650942312100 = 1006769^2 + 1284890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664526131461 - 2²⁶ = 2664459022597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664526131467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25760936 + ... + 25864161.

It is an arithmetic number, because the mean of its divisors is an integer number (666144452043).

Almost surely, 2^{2664526131461} is an apocalyptic number.

It is an amenable number.

2664526131461 is a deficient number, since it is larger than the sum of its proper divisors (51676711).

2664526131461 is an equidigital number, since it uses as much as digits as its factorization.

2664526131461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51676710.

The product of its digits is 1244160, while the sum is 47.

The spelling of 2664526131461 in words is "two trillion, six hundred sixty-four billion, five hundred twenty-six million, one hundred thirty-one thousand, four hundred sixty-one".