13345728166 has 8 divisors (see below), whose sum is σ = 20146099680. Its totient is φ = 6630361608.

The previous prime is 13345728139. The next prime is 13345728203. The reversal of 13345728166 is 66182754331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21250846 + ... + 21251473.

It is an arithmetic number, because the mean of its divisors is an integer number (2518262460).

Almost surely, 2^13345728166 is an apocalyptic number.

13345728166 is a deficient number, since it is larger than the sum of its proper divisors (6800371514).

13345728166 is a wasteful number, since it uses less digits than its factorization.

13345728166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42502478.

The product of its digits is 725760, while the sum is 46.

The spelling of 13345728166 in words is "thirteen billion, three hundred forty-five million, seven hundred twenty-eight thousand, one hundred sixty-six".