1028161443 has 16 divisors (see below), whose sum is σ = 1382391296. Its totient is φ = 679704480.

The previous prime is 1028161429. The next prime is 1028161451. The reversal of 1028161443 is 3441618201.

It is not a de Polignac number, because 1028161443 - 2⁴ = 1028161427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028161443.

It is not an unprimeable number, because it can be changed into a prime (1028161403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267030 + ... + 270852.

It is an arithmetic number, because the mean of its divisors is an integer number (86399456).

Almost surely, 2^1028161443 is an apocalyptic number.

1028161443 is a deficient number, since it is larger than the sum of its proper divisors (354229853).

1028161443 is a wasteful number, since it uses less digits than its factorization.

1028161443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1028161443 is about 32064.9566193376. The cubic root of 1028161443 is about 1009.3003824018.

Adding to 1028161443 its reverse (3441618201), we get a palindrome (4469779644).

The spelling of 1028161443 in words is "one billion, twenty-eight million, one hundred sixty-one thousand, four hundred forty-three".