1656941115133 has 2 divisors, whose sum is σ = 1656941115134. Its totient is φ = 1656941115132.

The previous prime is 1656941115097. The next prime is 1656941115163. The reversal of 1656941115133 is 3315111496561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1586685371769 + 70255743364 = 1259637^2 + 265058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1656941115133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1656941115163) 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, 828470557566 + 828470557567.

It is an arithmetic number, because the mean of its divisors is an integer number (828470557567).

Almost surely, 2^{1656941115133} is an apocalyptic number.

It is an amenable number.

1656941115133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1656941115133 is an equidigital number, since it uses as much as digits as its factorization.

1656941115133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 46.

The spelling of 1656941115133 in words is "one trillion, six hundred fifty-six billion, nine hundred forty-one million, one hundred fifteen thousand, one hundred thirty-three".