13216570166 has 8 divisors (see below), whose sum is σ = 19825737120. Its totient is φ = 6607991128.

The previous prime is 13216570153. The next prime is 13216570177. The reversal of 13216570166 is 66107561231.

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, 85661 + ... + 183768.

It is an arithmetic number, because the mean of its divisors is an integer number (2478217140).

Almost surely, 2^13216570166 is an apocalyptic number.

13216570166 is a deficient number, since it is larger than the sum of its proper divisors (6609166954).

13216570166 is a wasteful number, since it uses less digits than its factorization.

13216570166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293958.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 13216570166 in words is "thirteen billion, two hundred sixteen million, five hundred seventy thousand, one hundred sixty-six".