12662426606 has 4 divisors (see below), whose sum is σ = 18993639912. Its totient is φ = 6331213302.

The previous prime is 12662426603. The next prime is 12662426611. The reversal of 12662426606 is 60662426621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662426603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3165606650 + ... + 3165606653.

It is an arithmetic number, because the mean of its divisors is an integer number (4748409978).

Almost surely, 2^12662426606 is an apocalyptic number.

12662426606 is a deficient number, since it is larger than the sum of its proper divisors (6331213306).

12662426606 is an equidigital number, since it uses as much as digits as its factorization.

12662426606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331213305.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 12662426606 in words is "twelve billion, six hundred sixty-two million, four hundred twenty-six thousand, six hundred six".