12164696461 has 2 divisors, whose sum is σ = 12164696462. Its totient is φ = 12164696460.

The previous prime is 12164696459. The next prime is 12164696471. The reversal of 12164696461 is 16469646121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11209515625 + 955180836 = 105875^2 + 30906^2 .

It is a cyclic number.

It is not a de Polignac number, because 12164696461 - 2¹ = 12164696459 is a prime.

Together with 12164696459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12164696471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082348230 + 6082348231.

It is an arithmetic number, because the mean of its divisors is an integer number (6082348231).

Almost surely, 2^12164696461 is an apocalyptic number.

It is an amenable number.

12164696461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164696461 is an equidigital number, since it uses as much as digits as its factorization.

12164696461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The spelling of 12164696461 in words is "twelve billion, one hundred sixty-four million, six hundred ninety-six thousand, four hundred sixty-one".