26669333466672 has 80 divisors (see below), whose sum is σ = 74196214992480. Its totient is φ = 8205864523776.

The previous prime is 26669333466667. The next prime is 26669333466691. The reversal of 26669333466672 is 27666433396662.

It is a happy number.

It is a super-2 number, since 2×26669333466672² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26669333466597 and 26669333466606.

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 15 ways as a sum of consecutive naturals, for example, 90963258 + ... + 91255974.

It is an arithmetic number, because the mean of its divisors is an integer number (927452687406).

Almost surely, 2^{26669333466672} is an apocalyptic number.

It is an amenable number.

26669333466672 is an abundant number, since it is smaller than the sum of its proper divisors (47526881525808).

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

26669333466672 is a wasteful number, since it uses less digits than its factorization.

26669333466672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438750 (or 438744 counting only the distinct ones).

The product of its digits is 1269789696, while the sum is 69.

The spelling of 26669333466672 in words is "twenty-six trillion, six hundred sixty-nine billion, three hundred thirty-three million, four hundred sixty-six thousand, six hundred seventy-two".