26666163222 has 8 divisors (see below), whose sum is σ = 53332326456. Its totient is φ = 8888721072.

The previous prime is 26666163217. The next prime is 26666163247. The reversal of 26666163222 is 22236166662.

It is a sphenic number, since it is the product of 3 distinct primes.

26666163222 is an admirable number.

It is a super-2 number, since 2×26666163222² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 2222180263 + ... + 2222180274.

It is an arithmetic number, because the mean of its divisors is an integer number (6666540807).

Almost surely, 2^26666163222 is an apocalyptic number.

26666163222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26666163222 is a wasteful number, since it uses less digits than its factorization.

26666163222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444360542.

The product of its digits is 373248, while the sum is 42.

The spelling of 26666163222 in words is "twenty-six billion, six hundred sixty-six million, one hundred sixty-three thousand, two hundred twenty-two".