163028240 has 20 divisors (see below), whose sum is σ = 379040844. Its totient is φ = 65211264.

The previous prime is 163028233. The next prime is 163028251. The reversal of 163028240 is 42820361.

163028240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50922496 + 112105744 = 7136^2 + 10588^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018847 + ... + 1019006.

Almost surely, 2^163028240 is an apocalyptic number.

163028240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163028240 is an abundant number, since it is smaller than the sum of its proper divisors (216012604).

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

163028240 is a wasteful number, since it uses less digits than its factorization.

163028240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037866 (or 2037860 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 163028240 is about 12768.2512506608. The cubic root of 163028240 is about 546.2871018442.

It can be divided in two parts, 16302 and 8240, that added together give a palindrome (24542).

The spelling of 163028240 in words is "one hundred sixty-three million, twenty-eight thousand, two hundred forty".