12166340601 has 4 divisors (see below), whose sum is σ = 16221787472. Its totient is φ = 8110893732.

The previous prime is 12166340551. The next prime is 12166340609. The reversal of 12166340601 is 10604366121.

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 not a de Polignac number, because 12166340601 - 2²⁶ = 12099231737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12166340609) 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, 2027723431 + ... + 2027723436.

It is an arithmetic number, because the mean of its divisors is an integer number (4055446868).

Almost surely, 2^12166340601 is an apocalyptic number.

It is an amenable number.

12166340601 is a deficient number, since it is larger than the sum of its proper divisors (4055446871).

12166340601 is an equidigital number, since it uses as much as digits as its factorization.

12166340601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055446870.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 12166340601 in words is "twelve billion, one hundred sixty-six million, three hundred forty thousand, six hundred one".