16212560166943 has 4 divisors (see below), whose sum is σ = 18528640190800. Its totient is φ = 13896480143088.

The previous prime is 16212560166919. The next prime is 16212560166983. The reversal of 16212560166943 is 34966106521261.

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

It is a cyclic number.

It is not a de Polignac number, because 16212560166943 - 2⁹ = 16212560166431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16212560166983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158040011918 + ... + 1158040011931.

It is an arithmetic number, because the mean of its divisors is an integer number (4632160047700).

Almost surely, 2^{16212560166943} is an apocalyptic number.

16212560166943 is a deficient number, since it is larger than the sum of its proper divisors (2316080023857).

16212560166943 is an equidigital number, since it uses as much as digits as its factorization.

16212560166943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316080023856.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 16212560166943 in words is "sixteen trillion, two hundred twelve billion, five hundred sixty million, one hundred sixty-six thousand, nine hundred forty-three".