3616071082661 has 2 divisors, whose sum is σ = 3616071082662. Its totient is φ = 3616071082660.

The previous prime is 3616071082633. The next prime is 3616071082693. The reversal of 3616071082661 is 1662801706163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3586929178561 + 29141904100 = 1893919^2 + 170710^2 .

It is a cyclic number.

It is not a de Polignac number, because 3616071082661 - 2¹⁴ = 3616071066277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3616071082861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1808035541330 + 1808035541331.

It is an arithmetic number, because the mean of its divisors is an integer number (1808035541331).

Almost surely, 2^{3616071082661} is an apocalyptic number.

It is an amenable number.

3616071082661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3616071082661 is an equidigital number, since it uses as much as digits as its factorization.

3616071082661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 3616071082661 in words is "three trillion, six hundred sixteen billion, seventy-one million, eighty-two thousand, six hundred sixty-one".