1600564663 has 2 divisors, whose sum is σ = 1600564664. Its totient is φ = 1600564662.

The previous prime is 1600564631. The next prime is 1600564673. The reversal of 1600564663 is 3664650061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1600564663 - 2⁵ = 1600564631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1600564673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800282331 + 800282332.

It is an arithmetic number, because the mean of its divisors is an integer number (800282332).

Almost surely, 2^1600564663 is an apocalyptic number.

1600564663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600564663 is an equidigital number, since it uses as much as digits as its factorization.

1600564663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1600564663 is about 40007.0576648671. The cubic root of 1600564663 is about 1169.7446694881.

The spelling of 1600564663 in words is "one billion, six hundred million, five hundred sixty-four thousand, six hundred sixty-three".