16452771212571 has 4 divisors (see below), whose sum is σ = 21937028283432. Its totient is φ = 10968514141712.

The previous prime is 16452771212519. The next prime is 16452771212599. The reversal of 16452771212571 is 17521217725461.

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 16452771212571 - 2¹¹ = 16452771210523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16452771212771) 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, 2742128535426 + ... + 2742128535431.

It is an arithmetic number, because the mean of its divisors is an integer number (5484257070858).

Almost surely, 2^{16452771212571} is an apocalyptic number.

16452771212571 is a deficient number, since it is larger than the sum of its proper divisors (5484257070861).

16452771212571 is an equidigital number, since it uses as much as digits as its factorization.

16452771212571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484257070860.

The product of its digits is 1646400, while the sum is 51.

The spelling of 16452771212571 in words is "sixteen trillion, four hundred fifty-two billion, seven hundred seventy-one million, two hundred twelve thousand, five hundred seventy-one".