12164262466 has 4 divisors (see below), whose sum is σ = 18246393702. Its totient is φ = 6082131232.

The previous prime is 12164262443. The next prime is 12164262491. The reversal of 12164262466 is 66426246121.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 7618671225 + 4545591241 = 87285^2 + 67421^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3041065615 + ... + 3041065618.

Almost surely, 2^12164262466 is an apocalyptic number.

12164262466 is a deficient number, since it is larger than the sum of its proper divisors (6082131236).

12164262466 is an equidigital number, since it uses as much as digits as its factorization.

12164262466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082131235.

The product of its digits is 165888, while the sum is 40.

The spelling of 12164262466 in words is "twelve billion, one hundred sixty-four million, two hundred sixty-two thousand, four hundred sixty-six".