11726673161 has 8 divisors (see below), whose sum is σ = 13404479040. Its totient is φ = 10049509008.

The previous prime is 11726673139. The next prime is 11726673163. The reversal of 11726673161 is 16137662711.

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

It is not a de Polignac number, because 11726673161 - 2³⁰ = 10652931337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11726673163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120611 + ... + 194936.

It is an arithmetic number, because the mean of its divisors is an integer number (1675559880).

Almost surely, 2^11726673161 is an apocalyptic number.

It is an amenable number.

11726673161 is a deficient number, since it is larger than the sum of its proper divisors (1677805879).

11726673161 is an equidigital number, since it uses as much as digits as its factorization.

11726673161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320863.

The product of its digits is 63504, while the sum is 41.

The spelling of 11726673161 in words is "eleven billion, seven hundred twenty-six million, six hundred seventy-three thousand, one hundred sixty-one".