26666668148 has 12 divisors (see below), whose sum is σ = 46671583140. Its totient is φ = 13331930112.

The previous prime is 26666668121. The next prime is 26666668153. The reversal of 26666668148 is 84186666662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23380856464 + 3285811684 = 152908^2 + 57322^2 .

It is a super-2 number, since 2×26666668148² (a number of 22 digits) contains 22 as substring.

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, 307661 + ... + 384692.

It is an arithmetic number, because the mean of its divisors is an integer number (3889298595).

Almost surely, 2^26666668148 is an apocalyptic number.

It is an amenable number.

26666668148 is a deficient number, since it is larger than the sum of its proper divisors (20004914992).

26666668148 is a wasteful number, since it uses less digits than its factorization.

26666668148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701986 (or 701984 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 59.

The spelling of 26666668148 in words is "twenty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, one hundred forty-eight".