26668486662 has 16 divisors (see below), whose sum is σ = 53340536880. Its totient is φ = 8888901632.

The previous prime is 26668486643. The next prime is 26668486709.

It is a happy number.

26668486662 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×26668486662² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26668486596 and 26668486605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45723 + ... + 235430.

It is an arithmetic number, because the mean of its divisors is an integer number (3333783555).

Almost surely, 2^26668486662 is an apocalyptic number.

26668486662 is an abundant number, since it is smaller than the sum of its proper divisors (26672050218).

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

26668486662 is a wasteful number, since it uses less digits than its factorization.

26668486662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296967.

The product of its digits is 47775744, while the sum is 60.

The spelling of 26668486662 in words is "twenty-six billion, six hundred sixty-eight million, four hundred eighty-six thousand, six hundred sixty-two".