361610616541 has 2 divisors, whose sum is σ = 361610616542. Its totient is φ = 361610616540.

The previous prime is 361610616517. The next prime is 361610616581. The reversal of 361610616541 is 145616016163.

It is an a-pointer prime, because the next prime (361610616581) can be obtained adding 361610616541 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359034648025 + 2575968516 = 599195^2 + 50754^2 .

It is a cyclic number.

It is not a de Polignac number, because 361610616541 - 2¹¹ = 361610614493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 361610616494 and 361610616503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361610616581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180805308270 + 180805308271.

It is an arithmetic number, because the mean of its divisors is an integer number (180805308271).

Almost surely, 2^361610616541 is an apocalyptic number.

It is an amenable number.

361610616541 is a deficient number, since it is larger than the sum of its proper divisors (1).

361610616541 is an equidigital number, since it uses as much as digits as its factorization.

361610616541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 361610616541 in words is "three hundred sixty-one billion, six hundred ten million, six hundred sixteen thousand, five hundred forty-one".