12674818266636 has 48 divisors (see below), whose sum is σ = 31155247276160. Its totient is φ = 3999473729280.

The previous prime is 12674818266631. The next prime is 12674818266661. The reversal of 12674818266636 is 63666281847621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12674818266631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21235981 + ... + 21824676.

Almost surely, 2^{12674818266636} is an apocalyptic number.

It is an amenable number.

12674818266636 is an abundant number, since it is smaller than the sum of its proper divisors (18480429009524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12674818266636 is a wasteful number, since it uses less digits than its factorization.

12674818266636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43061974 (or 43061972 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 66.

The spelling of 12674818266636 in words is "twelve trillion, six hundred seventy-four billion, eight hundred eighteen million, two hundred sixty-six thousand, six hundred thirty-six".