16452772043171 has 2 divisors, whose sum is σ = 16452772043172. Its totient is φ = 16452772043170.

The previous prime is 16452772043117. The next prime is 16452772043173. The reversal of 16452772043171 is 17134027725461.

Together with previous prime (16452772043117) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16452772043171 is a prime.

Together with 16452772043173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16452772043173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226386021585 + 8226386021586.

It is an arithmetic number, because the mean of its divisors is an integer number (8226386021586).

Almost surely, 2^{16452772043171} is an apocalyptic number.

16452772043171 is a deficient number, since it is larger than the sum of its proper divisors (1).

16452772043171 is an equidigital number, since it uses as much as digits as its factorization.

16452772043171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 16452772043171 in words is "sixteen trillion, four hundred fifty-two billion, seven hundred seventy-two million, forty-three thousand, one hundred seventy-one".