17161355203 has 2 divisors, whose sum is σ = 17161355204. Its totient is φ = 17161355202.

The previous prime is 17161355191. The next prime is 17161355231. The reversal of 17161355203 is 30255316171.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17161355203 is a prime.

It is a super-2 number, since 2×17161355203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17161352203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8580677601 + 8580677602.

It is an arithmetic number, because the mean of its divisors is an integer number (8580677602).

Almost surely, 2^17161355203 is an apocalyptic number.

17161355203 is a deficient number, since it is larger than the sum of its proper divisors (1).

17161355203 is an equidigital number, since it uses as much as digits as its factorization.

17161355203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 17161355203 in words is "seventeen billion, one hundred sixty-one million, three hundred fifty-five thousand, two hundred three".