1656941115163 has 2 divisors, whose sum is σ = 1656941115164. Its totient is φ = 1656941115162.

The previous prime is 1656941115133. The next prime is 1656941115197. The reversal of 1656941115163 is 3615111496561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1656941115163 - 2²¹ = 1656939018011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1656941115133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828470557581 + 828470557582.

It is an arithmetic number, because the mean of its divisors is an integer number (828470557582).

Almost surely, 2^{1656941115163} is an apocalyptic number.

1656941115163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1656941115163 is an equidigital number, since it uses as much as digits as its factorization.

1656941115163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 49.

The spelling of 1656941115163 in words is "one trillion, six hundred fifty-six billion, nine hundred forty-one million, one hundred fifteen thousand, one hundred sixty-three".