1631607196057 has 2 divisors, whose sum is σ = 1631607196058. Its totient is φ = 1631607196056.

The previous prime is 1631607196039. The next prime is 1631607196067. The reversal of 1631607196057 is 7506917061361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1316643797401 + 314963398656 = 1147451^2 + 561216^2 .

It is a cyclic number.

It is not a de Polignac number, because 1631607196057 - 2¹⁵ = 1631607163289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1631607195995 and 1631607196013.

It is not a weakly prime, because it can be changed into another prime (1631607196007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815803598028 + 815803598029.

It is an arithmetic number, because the mean of its divisors is an integer number (815803598029).

Almost surely, 2^{1631607196057} is an apocalyptic number.

It is an amenable number.

1631607196057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1631607196057 is an equidigital number, since it uses as much as digits as its factorization.

1631607196057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 1631607196057 in words is "one trillion, six hundred thirty-one billion, six hundred seven million, one hundred ninety-six thousand, fifty-seven".