26668086662 has 24 divisors (see below), whose sum is σ = 46174089648. Its totient is φ = 11315959200.

The previous prime is 26668086649. The next prime is 26668086673.

26668086662 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×26668086662² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26668086598 and 26668086607.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 49448 + ... + 236180.

It is an arithmetic number, because the mean of its divisors is an integer number (1923920402).

Almost surely, 2^26668086662 is an apocalyptic number.

26668086662 is a deficient number, since it is larger than the sum of its proper divisors (19506002986).

26668086662 is a wasteful number, since it uses less digits than its factorization.

26668086662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186944 (or 186843 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 26668086662 in words is "twenty-six billion, six hundred sixty-eight million, eighty-six thousand, six hundred sixty-two".