1600648747 has 2 divisors, whose sum is σ = 1600648748. Its totient is φ = 1600648746.

The previous prime is 1600648717. The next prime is 1600648789. The reversal of 1600648747 is 7478460061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1600648747 is a prime.

It is a super-2 number, since 2×1600648747² = 5124152822545340018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1600648717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800324373 + 800324374.

It is an arithmetic number, because the mean of its divisors is an integer number (800324374).

Almost surely, 2^1600648747 is an apocalyptic number.

1600648747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600648747 is an equidigital number, since it uses as much as digits as its factorization.

1600648747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 1600648747 is about 40008.1085156497. The cubic root of 1600648747 is about 1169.7651529027.

The spelling of 1600648747 in words is "one billion, six hundred million, six hundred forty-eight thousand, seven hundred forty-seven".