26650670161 has 8 divisors (see below), whose sum is σ = 27306798464. Its totient is φ = 25996194000.

The previous prime is 26650670159. The next prime is 26650670273. The reversal of 26650670161 is 16107605662.

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

It is a cyclic number.

It is not a de Polignac number, because 26650670161 - 2¹ = 26650670159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26650679161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380346 + ... + 444931.

It is an arithmetic number, because the mean of its divisors is an integer number (3413349808).

Almost surely, 2^26650670161 is an apocalyptic number.

It is an amenable number.

26650670161 is a deficient number, since it is larger than the sum of its proper divisors (656128303).

26650670161 is an equidigital number, since it uses as much as digits as its factorization.

26650670161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826071.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 26650670161 in words is "twenty-six billion, six hundred fifty million, six hundred seventy thousand, one hundred sixty-one".