1798920160928 has 72 divisors (see below), whose sum is σ = 3909014483220. Its totient is φ = 814297651200.

The previous prime is 1798920160871. The next prime is 1798920160997. The reversal of 1798920160928 is 8290610298971.

It can be written as a sum of positive squares in 2 ways, for example, as 1700030037904 + 98890123024 = 1303852^2 + 314468^2 .

It is a super-2 number, since 2×1798920160928² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30743 + ... + 1897046.

Almost surely, 2^{1798920160928} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1798920160928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1954507241610).

1798920160928 is an abundant number, since it is smaller than the sum of its proper divisors (2110094322292).

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

1798920160928 is a wasteful number, since it uses less digits than its factorization.

1798920160928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928062 (or 1928043 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 62.

The spelling of 1798920160928 in words is "one trillion, seven hundred ninety-eight billion, nine hundred twenty million, one hundred sixty thousand, nine hundred twenty-eight".