26600221136 has 20 divisors (see below), whose sum is σ = 52158869952. Its totient is φ = 13139867616.

The previous prime is 26600221129. The next prime is 26600221163. The reversal of 26600221136 is 63112200662.

It is a super-2 number, since 2×26600221136² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26600221099 and 26600221108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10013816 + ... + 10016471.

Almost surely, 2^26600221136 is an apocalyptic number.

It is an amenable number.

26600221136 is a deficient number, since it is larger than the sum of its proper divisors (25558648816).

26600221136 is a wasteful number, since it uses less digits than its factorization.

26600221136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20030378 (or 20030372 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 26600221136 its reverse (63112200662), we get a palindrome (89712421798).

The spelling of 26600221136 in words is "twenty-six billion, six hundred million, two hundred twenty-one thousand, one hundred thirty-six".