12792668618 has 16 divisors (see below), whose sum is σ = 19561033440. Its totient is φ = 6272447376.

The previous prime is 12792668611. The next prime is 12792668663. The reversal of 12792668618 is 81686629721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12792668611) 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, 185093 + ... + 244631.

It is an arithmetic number, because the mean of its divisors is an integer number (1222564590).

Almost surely, 2^12792668618 is an apocalyptic number.

12792668618 is a deficient number, since it is larger than the sum of its proper divisors (6768364822).

12792668618 is a wasteful number, since it uses less digits than its factorization.

12792668618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61621.

The product of its digits is 3483648, while the sum is 56.

The spelling of 12792668618 in words is "twelve billion, seven hundred ninety-two million, six hundred sixty-eight thousand, six hundred eighteen".