26397003316656 has 80 divisors (see below), whose sum is σ = 79404462860544. Its totient is φ = 7399699037952.

The previous prime is 26397003316601. The next prime is 26397003316669. The reversal of 26397003316656 is 65661330079362.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26397003316596 and 26397003316605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741137946 + ... + 741173561.

Almost surely, 2^{26397003316656} is an apocalyptic number.

It is an amenable number.

26397003316656 is an abundant number, since it is smaller than the sum of its proper divisors (53007459543888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26397003316656 is a wasteful number, since it uses less digits than its factorization.

26397003316656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482311578 (or 1482311572 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 57.

The spelling of 26397003316656 in words is "twenty-six trillion, three hundred ninety-seven billion, three million, three hundred sixteen thousand, six hundred fifty-six".