361820602061 has 2 divisors, whose sum is σ = 361820602062. Its totient is φ = 361820602060.

The previous prime is 361820601997. The next prime is 361820602069. The reversal of 361820602061 is 160206028163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330987349225 + 30833252836 = 575315^2 + 175594^2 .

It is a cyclic number.

It is not a de Polignac number, because 361820602061 - 2⁶ = 361820601997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361820602069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180910301030 + 180910301031.

It is an arithmetic number, because the mean of its divisors is an integer number (180910301031).

Almost surely, 2^361820602061 is an apocalyptic number.

It is an amenable number.

361820602061 is a deficient number, since it is larger than the sum of its proper divisors (1).

361820602061 is an equidigital number, since it uses as much as digits as its factorization.

361820602061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 361820602061 in words is "three hundred sixty-one billion, eight hundred twenty million, six hundred two thousand, sixty-one".