1600728701 has 32 divisors (see below), whose sum is σ = 1995571200. Its totient is φ = 1262278080.

The previous prime is 1600728671. The next prime is 1600728709. The reversal of 1600728701 is 1078270061.

It is a cyclic number.

It is not a de Polignac number, because 1600728701 - 2¹⁴ = 1600712317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600728709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342740 + ... + 347378.

It is an arithmetic number, because the mean of its divisors is an integer number (62361600).

Almost surely, 2^1600728701 is an apocalyptic number.

1600728701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1600728701 is a deficient number, since it is larger than the sum of its proper divisors (394842499).

1600728701 is a wasteful number, since it uses less digits than its factorization.

1600728701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1600728701 is about 40009.1077256167. The cubic root of 1600728701 is about 1169.7846295567.

Adding to 1600728701 its reverse (1078270061), we get a palindrome (2678998762).

The spelling of 1600728701 in words is "one billion, six hundred million, seven hundred twenty-eight thousand, seven hundred one".