12156416014166 has 4 divisors (see below), whose sum is σ = 18234624021252. Its totient is φ = 6078208007082.

The previous prime is 12156416014163. The next prime is 12156416014199. The reversal of 12156416014166 is 66141061465121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12156416014163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3039104003540 + ... + 3039104003543.

It is an arithmetic number, because the mean of its divisors is an integer number (4558656005313).

Almost surely, 2^{12156416014166} is an apocalyptic number.

12156416014166 is a deficient number, since it is larger than the sum of its proper divisors (6078208007086).

12156416014166 is an equidigital number, since it uses as much as digits as its factorization.

12156416014166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078208007085.

The product of its (nonzero) digits is 207360, while the sum is 44.

Adding to 12156416014166 its reverse (66141061465121), we get a palindrome (78297477479287).

The spelling of 12156416014166 in words is "twelve trillion, one hundred fifty-six billion, four hundred sixteen million, fourteen thousand, one hundred sixty-six".