17166057533 has 2 divisors, whose sum is σ = 17166057534. Its totient is φ = 17166057532.

The previous prime is 17166057523. The next prime is 17166057569. The reversal of 17166057533 is 33575066171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16166359609 + 999697924 = 127147^2 + 31618^2 .

It is a cyclic number.

It is not a de Polignac number, because 17166057533 - 2¹⁸ = 17165795389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17166057523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8583028766 + 8583028767.

It is an arithmetic number, because the mean of its divisors is an integer number (8583028767).

Almost surely, 2^17166057533 is an apocalyptic number.

It is an amenable number.

17166057533 is a deficient number, since it is larger than the sum of its proper divisors (1).

17166057533 is an equidigital number, since it uses as much as digits as its factorization.

17166057533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 17166057533 in words is "seventeen billion, one hundred sixty-six million, fifty-seven thousand, five hundred thirty-three".