7057161220643 has 2 divisors, whose sum is σ = 7057161220644. Its totient is φ = 7057161220642.

The previous prime is 7057161220621. The next prime is 7057161220687. The reversal of 7057161220643 is 3460221617507.

It is a happy number.

It is an a-pointer prime, because the next prime (7057161220687) can be obtained adding 7057161220643 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7057161220643 - 2⁶ = 7057161220579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7057161220594 and 7057161220603.

It is not a weakly prime, because it can be changed into another prime (7057161220943) 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, 3528580610321 + 3528580610322.

It is an arithmetic number, because the mean of its divisors is an integer number (3528580610322).

Almost surely, 2^{7057161220643} is an apocalyptic number.

7057161220643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7057161220643 is an equidigital number, since it uses as much as digits as its factorization.

7057161220643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 7057161220643 in words is "seven trillion, fifty-seven billion, one hundred sixty-one million, two hundred twenty thousand, six hundred forty-three".