1600220516 has 12 divisors (see below), whose sum is σ = 2802435132. Its totient is φ = 799524768.

The previous prime is 1600220513. The next prime is 1600220521. The reversal of 1600220516 is 6150220061.

It can be written as a sum of positive squares in 2 ways, for example, as 1203812416 + 396408100 = 34696^2 + 19910^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1600220491 and 1600220500.

It is not an unprimeable number, because it can be changed into a prime (1600220513) 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 in 3 ways as a sum of consecutive naturals, for example, 140195 + ... + 151178.

It is an arithmetic number, because the mean of its divisors is an integer number (233536261).

Almost surely, 2^1600220516 is an apocalyptic number.

It is an amenable number.

1600220516 is a deficient number, since it is larger than the sum of its proper divisors (1202214616).

1600220516 is a wasteful number, since it uses less digits than its factorization.

1600220516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292750 (or 292748 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1600220516 is about 40002.7563550313. The cubic root of 1600220516 is about 1169.6608255414.

Adding to 1600220516 its reverse (6150220061), we get a palindrome (7750440577).

The spelling of 1600220516 in words is "one billion, six hundred million, two hundred twenty thousand, five hundred sixteen".