26068866618 has 32 divisors (see below), whose sum is σ = 52322276160. Its totient is φ = 8658921600.

The previous prime is 26068866589. The next prime is 26068866661. The reversal of 26068866618 is 81666886062.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 2002053 + ... + 2015031.

It is an arithmetic number, because the mean of its divisors is an integer number (1635071130).

Almost surely, 2^26068866618 is an apocalyptic number.

26068866618 is an abundant number, since it is smaller than the sum of its proper divisors (26253409542).

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

26068866618 is a wasteful number, since it uses less digits than its factorization.

26068866618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14142.

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 26068866618 in words is "twenty-six billion, sixty-eight million, eight hundred sixty-six thousand, six hundred eighteen".