5661700171177 has 2 divisors, whose sum is σ = 5661700171178. Its totient is φ = 5661700171176.

The previous prime is 5661700171159. The next prime is 5661700171187. The reversal of 5661700171177 is 7711710071665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3078659761321 + 2583040409856 = 1754611^2 + 1607184^2 .

It is a cyclic number.

It is not a de Polignac number, because 5661700171177 - 2²³ = 5661691782569 is a prime.

It is a super-2 number, since 2×5661700171177² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5661700171177.

It is not a weakly prime, because it can be changed into another prime (5661700171187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830850085588 + 2830850085589.

It is an arithmetic number, because the mean of its divisors is an integer number (2830850085589).

Almost surely, 2^{5661700171177} is an apocalyptic number.

It is an amenable number.

5661700171177 is a deficient number, since it is larger than the sum of its proper divisors (1).

5661700171177 is an equidigital number, since it uses as much as digits as its factorization.

5661700171177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432180, while the sum is 49.

The spelling of 5661700171177 in words is "five trillion, six hundred sixty-one billion, seven hundred million, one hundred seventy-one thousand, one hundred seventy-seven".