1028110664 has 32 divisors (see below), whose sum is σ = 2205779520. Its totient is φ = 440081856.

The previous prime is 1028110651. The next prime is 1028110673. The reversal of 1028110664 is 4660118201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37007 + ... + 58529.

It is an arithmetic number, because the mean of its divisors is an integer number (68930610).

Almost surely, 2^1028110664 is an apocalyptic number.

1028110664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1028110664 is an abundant number, since it is smaller than the sum of its proper divisors (1177668856).

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

1028110664 is a wasteful number, since it uses less digits than its factorization.

1028110664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22389 (or 22385 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1028110664 is about 32064.1647949857. The cubic root of 1028110664 is about 1009.2837662992.

Adding to 1028110664 its reverse (4660118201), we get a palindrome (5688228865).

The spelling of 1028110664 in words is "one billion, twenty-eight million, one hundred ten thousand, six hundred sixty-four".