1671562361017 has 2 divisors, whose sum is σ = 1671562361018. Its totient is φ = 1671562361016.

The previous prime is 1671562360913. The next prime is 1671562361057. The reversal of 1671562361017 is 7101632651761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1538763339961 + 132799021056 = 1240469^2 + 364416^2 .

It is a cyclic number.

It is not a de Polignac number, because 1671562361017 - 2²³ = 1671553972409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1671562361057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835781180508 + 835781180509.

It is an arithmetic number, because the mean of its divisors is an integer number (835781180509).

Almost surely, 2^{1671562361017} is an apocalyptic number.

It is an amenable number.

1671562361017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671562361017 is an equidigital number, since it uses as much as digits as its factorization.

1671562361017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 1671562361017 in words is "one trillion, six hundred seventy-one billion, five hundred sixty-two million, three hundred sixty-one thousand, seventeen".