26606161273 has 4 divisors (see below), whose sum is σ = 27523615140. Its totient is φ = 25688707408.

The previous prime is 26606161213. The next prime is 26606161303. The reversal of 26606161273 is 37216160662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6154873209 + 20451288064 = 78453^2 + 143008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26606161273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26606161213) 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, 458726890 + ... + 458726947.

It is an arithmetic number, because the mean of its divisors is an integer number (6880903785).

Almost surely, 2^26606161273 is an apocalyptic number.

It is an amenable number.

26606161273 is a deficient number, since it is larger than the sum of its proper divisors (917453867).

26606161273 is an equidigital number, since it uses as much as digits as its factorization.

26606161273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917453866.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 26606161273 in words is "twenty-six billion, six hundred six million, one hundred sixty-one thousand, two hundred seventy-three".