1600520000000 has 160 divisors (see below), whose sum is σ = 3997482149232. Its totient is φ = 640192000000.

The previous prime is 1600519999979. The next prime is 1600520000033. The reversal of 1600520000000 is 250061.

It can be written as a sum of positive squares in 8 ways, for example, as 1499782318336 + 100737681664 = 1224656^2 + 317392^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 1600520000000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39979994 + ... + 40020006.

Almost surely, 2^{1600520000000} is an apocalyptic number.

1600520000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1600520000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1998741074616).

1600520000000 is an abundant number, since it is smaller than the sum of its proper divisors (2396962149232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1600520000000 is an frugal number, since it uses more digits than its factorization.

1600520000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40066 (or 40020 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 1600520000000 its reverse (250061), we get a palindrome (1600520250061).

The spelling of 1600520000000 in words is "one trillion, six hundred billion, five hundred twenty million", and thus it is an aban number.