26683638662 has 16 divisors (see below), whose sum is σ = 40599029760. Its totient is φ = 13151186568.

The previous prime is 26683638661. The next prime is 26683638673.

26683638662 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 26683638598 and 26683638607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26683638661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43208 + ... + 235019.

It is an arithmetic number, because the mean of its divisors is an integer number (2537439360).

Almost surely, 2^26683638662 is an apocalyptic number.

26683638662 is a deficient number, since it is larger than the sum of its proper divisors (13915391098).

26683638662 is a wasteful number, since it uses less digits than its factorization.

26683638662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278915.

The product of its digits is 17915904, while the sum is 56.

The spelling of 26683638662 in words is "twenty-six billion, six hundred eighty-three million, six hundred thirty-eight thousand, six hundred sixty-two".