26332247161 has 4 divisors (see below), whose sum is σ = 28726087824. Its totient is φ = 23938406500.

The previous prime is 26332247147. The next prime is 26332247197. The reversal of 26332247161 is 16174223362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26332247161 - 2⁷ = 26332247033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26332247161.

It is not an unprimeable number, because it can be changed into a prime (26332247861) 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, 1196920315 + ... + 1196920336.

It is an arithmetic number, because the mean of its divisors is an integer number (7181521956).

Almost surely, 2^26332247161 is an apocalyptic number.

It is an amenable number.

26332247161 is a deficient number, since it is larger than the sum of its proper divisors (2393840663).

26332247161 is a wasteful number, since it uses less digits than its factorization.

26332247161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393840662.

The product of its digits is 72576, while the sum is 37.

The spelling of 26332247161 in words is "twenty-six billion, three hundred thirty-two million, two hundred forty-seven thousand, one hundred sixty-one".