26668168044 has 24 divisors (see below), whose sum is σ = 71115115008. Its totient is φ = 7619476560.

The previous prime is 26668168019. The next prime is 26668168069. The reversal of 26668168044 is 44086186662.

It is an interprime number because it is at equal distance from previous prime (26668168019) and next prime (26668168069).

It is a super-2 number, since 2×26668168044² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158739012 + ... + 158739179.

It is an arithmetic number, because the mean of its divisors is an integer number (2963129792).

Almost surely, 2^26668168044 is an apocalyptic number.

It is an amenable number.

26668168044 is an abundant number, since it is smaller than the sum of its proper divisors (44446946964).

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

26668168044 is a wasteful number, since it uses less digits than its factorization.

26668168044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317478205 (or 317478203 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 26668168044 in words is "twenty-six billion, six hundred sixty-eight million, one hundred sixty-eight thousand, forty-four".