17272167557 has 2 divisors, whose sum is σ = 17272167558. Its totient is φ = 17272167556.

The previous prime is 17272167547. The next prime is 17272167581. The reversal of 17272167557 is 75576127271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12135005281 + 5137162276 = 110159^2 + 71674^2 .

It is a cyclic number.

It is not a de Polignac number, because 17272167557 - 2¹⁴ = 17272151173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17272167547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8636083778 + 8636083779.

It is an arithmetic number, because the mean of its divisors is an integer number (8636083779).

Almost surely, 2^17272167557 is an apocalyptic number.

It is an amenable number.

17272167557 is a deficient number, since it is larger than the sum of its proper divisors (1).

17272167557 is an equidigital number, since it uses as much as digits as its factorization.

17272167557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440600, while the sum is 50.

The spelling of 17272167557 in words is "seventeen billion, two hundred seventy-two million, one hundred sixty-seven thousand, five hundred fifty-seven".