12166406277 has 8 divisors (see below), whose sum is σ = 16329305280. Its totient is φ = 8057222400.

The previous prime is 12166406257. The next prime is 12166406309. The reversal of 12166406277 is 77260466121.

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

It is not a de Polignac number, because 12166406277 - 2²² = 12162211973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12166406237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13428252 + ... + 13429157.

It is an arithmetic number, because the mean of its divisors is an integer number (2041163160).

Almost surely, 2^12166406277 is an apocalyptic number.

It is an amenable number.

12166406277 is a deficient number, since it is larger than the sum of its proper divisors (4162899003).

12166406277 is a wasteful number, since it uses less digits than its factorization.

12166406277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26857563.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 12166406277 in words is "twelve billion, one hundred sixty-six million, four hundred six thousand, two hundred seventy-seven".