12164653066 has 4 divisors (see below), whose sum is σ = 18246979602. Its totient is φ = 6082326532.

The previous prime is 12164653063. The next prime is 12164653069. The reversal of 12164653066 is 66035646121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66035646121 = 145757 ⋅453053.

It is an interprime number because it is at equal distance from previous prime (12164653063) and next prime (12164653069).

It can be written as a sum of positive squares in only one way, i.e., 9707963841 + 2456689225 = 98529^2 + 49565^2 .

It is a super-2 number, since 2×12164653066² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12164653063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3041163265 + ... + 3041163268.

Almost surely, 2^12164653066 is an apocalyptic number.

12164653066 is a deficient number, since it is larger than the sum of its proper divisors (6082326536).

12164653066 is an equidigital number, since it uses as much as digits as its factorization.

12164653066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082326535.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 12164653066 in words is "twelve billion, one hundred sixty-four million, six hundred fifty-three thousand, sixty-six".