26368953664 has 14 divisors (see below), whose sum is σ = 52325892554. Its totient is φ = 13184476800.

The previous prime is 26368953593. The next prime is 26368953719. The reversal of 26368953664 is 46635986362.

It can be written as a sum of positive squares in only one way, i.e., 24022520064 + 2346433600 = 154992^2 + 48440^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26368953599 and 26368953608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206007387 + ... + 206007514.

Almost surely, 2^26368953664 is an apocalyptic number.

It is an amenable number.

26368953664 is a deficient number, since it is larger than the sum of its proper divisors (25956938890).

26368953664 is an equidigital number, since it uses as much as digits as its factorization.

26368953664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412014913 (or 412014903 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 58.

The spelling of 26368953664 in words is "twenty-six billion, three hundred sixty-eight million, nine hundred fifty-three thousand, six hundred sixty-four".