196611604481 has 2 divisors, whose sum is σ = 196611604482. Its totient is φ = 196611604480.

The previous prime is 196611604457. The next prime is 196611604603. The reversal of 196611604481 is 184406116691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182598963856 + 14012640625 = 427316^2 + 118375^2 .

It is a cyclic number.

It is not a de Polignac number, because 196611604481 - 2¹⁸ = 196611342337 is a prime.

It is a super-2 number, since 2×196611604481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196611604681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98305802240 + 98305802241.

It is an arithmetic number, because the mean of its divisors is an integer number (98305802241).

Almost surely, 2^196611604481 is an apocalyptic number.

It is an amenable number.

196611604481 is a deficient number, since it is larger than the sum of its proper divisors (1).

196611604481 is an equidigital number, since it uses as much as digits as its factorization.

196611604481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 196611604481 in words is "one hundred ninety-six billion, six hundred eleven million, six hundred four thousand, four hundred eighty-one".