26918496066 has 128 divisors (see below), whose sum is σ = 68792795136. Its totient is φ = 6819785280.

The previous prime is 26918496053. The next prime is 26918496079. The reversal of 26918496066 is 66069481962.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26918496053) and next prime (26918496079).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26918495997 and 26918496015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3184041 + ... + 3192483.

It is an arithmetic number, because the mean of its divisors is an integer number (537443712).

Almost surely, 2^26918496066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26918496066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34396397568).

26918496066 is an abundant number, since it is smaller than the sum of its proper divisors (41874299070).

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

26918496066 is a wasteful number, since it uses less digits than its factorization.

26918496066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8636.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 26918496066 in words is "twenty-six billion, nine hundred eighteen million, four hundred ninety-six thousand, sixty-six".