664562451083 has 2 divisors, whose sum is σ = 664562451084. Its totient is φ = 664562451082.

The previous prime is 664562451067. The next prime is 664562451121. The reversal of 664562451083 is 380154265466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 664562451083 - 2⁴ = 664562451067 is a prime.

It is not a weakly prime, because it can be changed into another prime (664562651083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332281225541 + 332281225542.

It is an arithmetic number, because the mean of its divisors is an integer number (332281225542).

Almost surely, 2^664562451083 is an apocalyptic number.

664562451083 is a deficient number, since it is larger than the sum of its proper divisors (1).

664562451083 is an equidigital number, since it uses as much as digits as its factorization.

664562451083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 664562451083 in words is "six hundred sixty-four billion, five hundred sixty-two million, four hundred fifty-one thousand, eighty-three".