26266042066 has 32 divisors (see below), whose sum is σ = 45713299968. Its totient is φ = 11186384640.

The previous prime is 26266042043. The next prime is 26266042079. The reversal of 26266042066 is 66024066262.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74065 + ... + 240868.

It is an arithmetic number, because the mean of its divisors is an integer number (1428540624).

Almost surely, 2^26266042066 is an apocalyptic number.

26266042066 is a deficient number, since it is larger than the sum of its proper divisors (19447257902).

26266042066 is a wasteful number, since it uses less digits than its factorization.

26266042066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315186.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 26266042066 in words is "twenty-six billion, two hundred sixty-six million, forty-two thousand, sixty-six".