73660416061 has 2 divisors, whose sum is σ = 73660416062. Its totient is φ = 73660416060.

The previous prime is 73660416029. The next prime is 73660416073. The reversal of 73660416061 is 16061406637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54302980900 + 19357435161 = 233030^2 + 139131^2 .

It is a cyclic number.

It is not a de Polignac number, because 73660416061 - 2⁵ = 73660416029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73660426061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36830208030 + 36830208031.

It is an arithmetic number, because the mean of its divisors is an integer number (36830208031).

Almost surely, 2^73660416061 is an apocalyptic number.

It is an amenable number.

73660416061 is a deficient number, since it is larger than the sum of its proper divisors (1).

73660416061 is an equidigital number, since it uses as much as digits as its factorization.

73660416061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 73660416061 in words is "seventy-three billion, six hundred sixty million, four hundred sixteen thousand, sixty-one".