26556026788516 has 27 divisors (see below), whose sum is σ = 48021114227457. Its totient is φ = 12849535783920.

The previous prime is 26556026788471. The next prime is 26556026788519. The reversal of 26556026788516 is 61588762065562.

The square root of 26556026788516 is 5153254.

It is a perfect power (a square), and thus also a powerful number.

26556026788516 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1392801228900 + 25163225559616 = 1180170^2 + 5016296^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26556026788519) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 319460190 + ... + 319543306.

Almost surely, 2^{26556026788516} is an apocalyptic number.

26556026788516 is the 5153254-th square number.

It is an amenable number.

26556026788516 is a deficient number, since it is larger than the sum of its proper divisors (21465087438941).

26556026788516 is an frugal number, since it uses more digits than its factorization.

26556026788516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166300 (or 83150 counting only the distinct ones).

The product of its (nonzero) digits is 290304000, while the sum is 67.

The spelling of 26556026788516 in words is "twenty-six trillion, five hundred fifty-six billion, twenty-six million, seven hundred eighty-eight thousand, five hundred sixteen".