12163691047 has 2 divisors, whose sum is σ = 12163691048. Its totient is φ = 12163691046.

The previous prime is 12163691041. The next prime is 12163691077. The reversal of 12163691047 is 74019636121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12163691047 - 2²⁷ = 12029473319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12163691041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081845523 + 6081845524.

It is an arithmetic number, because the mean of its divisors is an integer number (6081845524).

Almost surely, 2^12163691047 is an apocalyptic number.

12163691047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12163691047 is an equidigital number, since it uses as much as digits as its factorization.

12163691047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 12163691047 in words is "twelve billion, one hundred sixty-three million, six hundred ninety-one thousand, forty-seven".