2755770161 has 2 divisors, whose sum is σ = 2755770162. Its totient is φ = 2755770160.

The previous prime is 2755770133. The next prime is 2755770229. The reversal of 2755770161 is 1610775572.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656887025 + 98883136 = 51545^2 + 9944^2 .

It is a cyclic number.

It is not a de Polignac number, because 2755770161 - 2¹⁸ = 2755508017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2755773161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377885080 + 1377885081.

It is an arithmetic number, because the mean of its divisors is an integer number (1377885081).

Almost surely, 2^2755770161 is an apocalyptic number.

It is an amenable number.

2755770161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2755770161 is an equidigital number, since it uses as much as digits as its factorization.

2755770161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102900, while the sum is 41.

The square root of 2755770161 is about 52495.4299058499. The cubic root of 2755770161 is about 1401.9988727798.

The spelling of 2755770161 in words is "two billion, seven hundred fifty-five million, seven hundred seventy thousand, one hundred sixty-one".