16432517325173 has 2 divisors, whose sum is σ = 16432517325174. Its totient is φ = 16432517325172.

The previous prime is 16432517325167. The next prime is 16432517325283. The reversal of 16432517325173 is 37152371523461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12984729385489 + 3447787939684 = 3603433^2 + 1856822^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432517325173 - 2⁶ = 16432517325109 is a prime.

It is a super-2 number, since 2×16432517325173² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16432517325163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216258662586 + 8216258662587.

It is an arithmetic number, because the mean of its divisors is an integer number (8216258662587).

Almost surely, 2^{16432517325173} is an apocalyptic number.

It is an amenable number.

16432517325173 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432517325173 is an equidigital number, since it uses as much as digits as its factorization.

16432517325173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 50.

The spelling of 16432517325173 in words is "sixteen trillion, four hundred thirty-two billion, five hundred seventeen million, three hundred twenty-five thousand, one hundred seventy-three".