13646666332 has 12 divisors (see below), whose sum is σ = 25718717416. Its totient is φ = 6298461360.

The previous prime is 13646666321. The next prime is 13646666339. The reversal of 13646666332 is 23366664631.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13646666339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131217894 + ... + 131217997.

Almost surely, 2^13646666332 is an apocalyptic number.

It is an amenable number.

13646666332 is a deficient number, since it is larger than the sum of its proper divisors (12072051084).

13646666332 is a wasteful number, since it uses less digits than its factorization.

13646666332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262435908 (or 262435906 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 46.

The spelling of 13646666332 in words is "thirteen billion, six hundred forty-six million, six hundred sixty-six thousand, three hundred thirty-two".