26158861706 has 8 divisors (see below), whose sum is σ = 40591337220. Its totient is φ = 12628415968.

The previous prime is 26158861661. The next prime is 26158861709. The reversal of 26158861706 is 60716885162.

It can be written as a sum of positive squares in 2 ways, for example, as 23345089681 + 2813772025 = 152791^2 + 53045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26158861709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225507371 + ... + 225507486.

Almost surely, 2^26158861706 is an apocalyptic number.

26158861706 is a deficient number, since it is larger than the sum of its proper divisors (14432475514).

26158861706 is a wasteful number, since it uses less digits than its factorization.

26158861706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451014888.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 26158861706 in words is "twenty-six billion, one hundred fifty-eight million, eight hundred sixty-one thousand, seven hundred six".