25766664023366 has 32 divisors (see below), whose sum is σ = 44397261036288. Its totient is φ = 10986435663840.

The previous prime is 25766664023363. The next prime is 25766664023371. The reversal of 25766664023366 is 66332046666752.

It is a junction number, because it is equal to n+sod(n) for n = 25766664023299 and 25766664023308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25766664023363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6335621 + ... + 9574623.

It is an arithmetic number, because the mean of its divisors is an integer number (1387414407384).

Almost surely, 2^{25766664023366} is an apocalyptic number.

25766664023366 is a deficient number, since it is larger than the sum of its proper divisors (18630597012922).

25766664023366 is a wasteful number, since it uses less digits than its factorization.

25766664023366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241916.

The product of its (nonzero) digits is 235146240, while the sum is 62.

The spelling of 25766664023366 in words is "twenty-five trillion, seven hundred sixty-six billion, six hundred sixty-four million, twenty-three thousand, three hundred sixty-six".