1600732643 has 2 divisors, whose sum is σ = 1600732644. Its totient is φ = 1600732642.

The previous prime is 1600732621. The next prime is 1600732649. The reversal of 1600732643 is 3462370061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1600732643 - 2¹⁰ = 1600731619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1600732649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800366321 + 800366322.

It is an arithmetic number, because the mean of its divisors is an integer number (800366322).

Almost surely, 2^1600732643 is an apocalyptic number.

1600732643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600732643 is an equidigital number, since it uses as much as digits as its factorization.

1600732643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 1600732643 is about 40009.1569893693. The cubic root of 1600732643 is about 1169.7855898042.

The spelling of 1600732643 in words is "one billion, six hundred million, seven hundred thirty-two thousand, six hundred forty-three".