97604541161 has 2 divisors, whose sum is σ = 97604541162. Its totient is φ = 97604541160.

The previous prime is 97604541103. The next prime is 97604541173. The reversal of 97604541161 is 16114540679.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56529817600 + 41074723561 = 237760^2 + 202669^2 .

It is an emirp because it is prime and its reverse (16114540679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97604541161 - 2¹⁴ = 97604524777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97604541361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48802270580 + 48802270581.

It is an arithmetic number, because the mean of its divisors is an integer number (48802270581).

Almost surely, 2^97604541161 is an apocalyptic number.

It is an amenable number.

97604541161 is a deficient number, since it is larger than the sum of its proper divisors (1).

97604541161 is an equidigital number, since it uses as much as digits as its factorization.

97604541161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 97604541161 in words is "ninety-seven billion, six hundred four million, five hundred forty-one thousand, one hundred sixty-one".