170028816 has 20 divisors (see below), whose sum is σ = 439241232. Its totient is φ = 56676256.

The previous prime is 170028791. The next prime is 170028821. The reversal of 170028816 is 618820071.

It is a happy number.

170028816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771086 + ... + 1771181.

Almost surely, 2^170028816 is an apocalyptic number.

170028816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

170028816 is an abundant number, since it is smaller than the sum of its proper divisors (269212416).

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

170028816 is a wasteful number, since it uses less digits than its factorization.

170028816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542278 (or 3542272 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 170028816 is about 13039.5098067374. The cubic root of 170028816 is about 553.9971240625.

Adding to 170028816 its reverse (618820071), we get a palindrome (788848887).

The spelling of 170028816 in words is "one hundred seventy million, twenty-eight thousand, eight hundred sixteen".