1675718661181 has 2 divisors, whose sum is σ = 1675718661182. Its totient is φ = 1675718661180.

The previous prime is 1675718661163. The next prime is 1675718661187. The reversal of 1675718661181 is 1811668175761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1660464188100 + 15254473081 = 1288590^2 + 123509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1675718661181 - 2⁷ = 1675718661053 is a prime.

It is a super-2 number, since 2×1675718661181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1675718661187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837859330590 + 837859330591.

It is an arithmetic number, because the mean of its divisors is an integer number (837859330591).

Almost surely, 2^{1675718661181} is an apocalyptic number.

It is an amenable number.

1675718661181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1675718661181 is an equidigital number, since it uses as much as digits as its factorization.

1675718661181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 58.

The spelling of 1675718661181 in words is "one trillion, six hundred seventy-five billion, seven hundred eighteen million, six hundred sixty-one thousand, one hundred eighty-one".