57668522586691 has 2 divisors, whose sum is σ = 57668522586692. Its totient is φ = 57668522586690.

The previous prime is 57668522586659. The next prime is 57668522586791. The reversal of 57668522586691 is 19668522586675.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57668522586691 - 2⁵ = 57668522586659 is a prime.

It is a super-2 number, since 2×57668522586691² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57668522586791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28834261293345 + 28834261293346.

It is an arithmetic number, because the mean of its divisors is an integer number (28834261293346).

Almost surely, 2^{57668522586691} is an apocalyptic number.

57668522586691 is a deficient number, since it is larger than the sum of its proper divisors (1).

57668522586691 is an equidigital number, since it uses as much as digits as its factorization.

57668522586691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736000, while the sum is 76.

The spelling of 57668522586691 in words is "fifty-seven trillion, six hundred sixty-eight billion, five hundred twenty-two million, five hundred eighty-six thousand, six hundred ninety-one".