26045535166 has 12 divisors (see below), whose sum is σ = 45446801328. Its totient is φ = 11162372172.

The previous prime is 26045535107. The next prime is 26045535167. The reversal of 26045535166 is 66153554062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26045535167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132885286 + ... + 132885481.

It is an arithmetic number, because the mean of its divisors is an integer number (3787233444).

Almost surely, 2^26045535166 is an apocalyptic number.

26045535166 is a deficient number, since it is larger than the sum of its proper divisors (19401266162).

26045535166 is a wasteful number, since it uses less digits than its factorization.

26045535166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265770783 (or 265770776 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 26045535166 in words is "twenty-six billion, forty-five million, five hundred thirty-five thousand, one hundred sixty-six".