61416620241617 has 2 divisors, whose sum is σ = 61416620241618. Its totient is φ = 61416620241616.

The previous prime is 61416620241611. The next prime is 61416620241679. The reversal of 61416620241617 is 71614202661416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61118372094976 + 298248146641 = 7817824^2 + 546121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61416620241617 is a prime.

It is not a weakly prime, because it can be changed into another prime (61416620241611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30708310120808 + 30708310120809.

It is an arithmetic number, because the mean of its divisors is an integer number (30708310120809).

Almost surely, 2^{61416620241617} is an apocalyptic number.

It is an amenable number.

61416620241617 is a deficient number, since it is larger than the sum of its proper divisors (1).

61416620241617 is an equidigital number, since it uses as much as digits as its factorization.

61416620241617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 61416620241617 in words is "sixty-one trillion, four hundred sixteen billion, six hundred twenty million, two hundred forty-one thousand, six hundred seventeen".