16625143613173 has 2 divisors, whose sum is σ = 16625143613174. Its totient is φ = 16625143613172.

The previous prime is 16625143613123. The next prime is 16625143613269. The reversal of 16625143613173 is 37131634152661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12111464903409 + 4513678709764 = 3480153^2 + 2124542^2 .

It is a cyclic number.

It is not a de Polignac number, because 16625143613173 - 2¹³ = 16625143604981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16625143613123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8312571806586 + 8312571806587.

It is an arithmetic number, because the mean of its divisors is an integer number (8312571806587).

Almost surely, 2^{16625143613173} is an apocalyptic number.

It is an amenable number.

16625143613173 is a deficient number, since it is larger than the sum of its proper divisors (1).

16625143613173 is an equidigital number, since it uses as much as digits as its factorization.

16625143613173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The spelling of 16625143613173 in words is "sixteen trillion, six hundred twenty-five billion, one hundred forty-three million, six hundred thirteen thousand, one hundred seventy-three".