12161416601 has 4 divisors (see below), whose sum is σ = 12162928512. Its totient is φ = 12159904692.

The previous prime is 12161416577. The next prime is 12161416637. The reversal of 12161416601 is 10661416121.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10661416121 = 107 ⋅99639403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12161416601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12161416651) 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, 743825 + ... + 759998.

It is an arithmetic number, because the mean of its divisors is an integer number (3040732128).

Almost surely, 2^12161416601 is an apocalyptic number.

It is an amenable number.

12161416601 is a deficient number, since it is larger than the sum of its proper divisors (1511911).

12161416601 is an equidigital number, since it uses as much as digits as its factorization.

12161416601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511910.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 12161416601 in words is "twelve billion, one hundred sixty-one million, four hundred sixteen thousand, six hundred one".