616304460045361 has 2 divisors, whose sum is σ = 616304460045362. Its totient is φ = 616304460045360.

The previous prime is 616304460045341. The next prime is 616304460045427. The reversal of 616304460045361 is 163540064403616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 567188471486961 + 49115988558400 = 23815719^2 + 7008280^2 .

It is a cyclic number.

It is not a de Polignac number, because 616304460045361 - 2⁷ = 616304460045233 is a prime.

It is not a weakly prime, because it can be changed into another prime (616304460045341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308152230022680 + 308152230022681.

It is an arithmetic number, because the mean of its divisors is an integer number (308152230022681).

Almost surely, 2^{616304460045361} is an apocalyptic number.

It is an amenable number.

616304460045361 is a deficient number, since it is larger than the sum of its proper divisors (1).

616304460045361 is an equidigital number, since it uses as much as digits as its factorization.

616304460045361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 616304460045361 in words is "six hundred sixteen trillion, three hundred four billion, four hundred sixty million, forty-five thousand, three hundred sixty-one".