26223196637 has 16 divisors (see below), whose sum is σ = 28752615360. Its totient is φ = 23718240000.

The previous prime is 26223196619. The next prime is 26223196661. The reversal of 26223196637 is 73669132262.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26223196637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26223196591 and 26223196600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26223196607) 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, 2781143 + ... + 2790555.

It is an arithmetic number, because the mean of its divisors is an integer number (1797038460).

Almost surely, 2^26223196637 is an apocalyptic number.

It is an amenable number.

26223196637 is a deficient number, since it is larger than the sum of its proper divisors (2529418723).

26223196637 is a wasteful number, since it uses less digits than its factorization.

26223196637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684.

The product of its digits is 979776, while the sum is 47.

The spelling of 26223196637 in words is "twenty-six billion, two hundred twenty-three million, one hundred ninety-six thousand, six hundred thirty-seven".