163790528 has 56 divisors (see below), whose sum is σ = 356670864. Its totient is φ = 74009600.

The previous prime is 163790513. The next prime is 163790537. The reversal of 163790528 is 825097361.

163790528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138098 + ... + 139278.

Almost surely, 2^163790528 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 163790528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178335432).

163790528 is an abundant number, since it is smaller than the sum of its proper divisors (192880336).

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

163790528 is a wasteful number, since it uses less digits than its factorization.

163790528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 163790528 is about 12798.0673540969. The cubic root of 163790528 is about 547.1372219169.

The spelling of 163790528 in words is "one hundred sixty-three million, seven hundred ninety thousand, five hundred twenty-eight".