16202161673 has 2 divisors, whose sum is σ = 16202161674. Its totient is φ = 16202161672.

The previous prime is 16202161649. The next prime is 16202161711. The reversal of 16202161673 is 37616120261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13162513984 + 3039647689 = 114728^2 + 55133^2 .

It is an emirp because it is prime and its reverse (37616120261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16202161673 - 2¹⁶ = 16202096137 is a prime.

It is not a weakly prime, because it can be changed into another prime (16202163673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8101080836 + 8101080837.

It is an arithmetic number, because the mean of its divisors is an integer number (8101080837).

Almost surely, 2^16202161673 is an apocalyptic number.

It is an amenable number.

16202161673 is a deficient number, since it is larger than the sum of its proper divisors (1).

16202161673 is an equidigital number, since it uses as much as digits as its factorization.

16202161673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 16202161673 in words is "sixteen billion, two hundred two million, one hundred sixty-one thousand, six hundred seventy-three".