2565631322606 has 16 divisors (see below), whose sum is σ = 4220058687408. Its totient is φ = 1160153587200.

The previous prime is 2565631322593. The next prime is 2565631322621. The reversal of 2565631322606 is 6062231365652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302119085 + ... + 302127576.

It is an arithmetic number, because the mean of its divisors is an integer number (263753667963).

Almost surely, 2^{2565631322606} is an apocalyptic number.

2565631322606 is a deficient number, since it is larger than the sum of its proper divisors (1654427364802).

2565631322606 is a wasteful number, since it uses less digits than its factorization.

2565631322606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604246867.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 2565631322606 in words is "two trillion, five hundred sixty-five billion, six hundred thirty-one million, three hundred twenty-two thousand, six hundred six".