16528830 has 16 divisors (see below), whose sum is σ = 39669264. Its totient is φ = 4407680.

The previous prime is 16528823. The next prime is 16528843. The reversal of 16528830 is 3882561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16528791 and 16528800.

It is a congruent number.

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, 275451 + ... + 275510.

It is an arithmetic number, because the mean of its divisors is an integer number (2479329).

Almost surely, 2^16528830 is an apocalyptic number.

16528830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16528830 is an abundant number, since it is smaller than the sum of its proper divisors (23140434).

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

16528830 is a wasteful number, since it uses less digits than its factorization.

16528830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550971.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 16528830 is about 4065.5663812069. The cubic root of 16528830 is about 254.7303570345.

The spelling of 16528830 in words is "sixteen million, five hundred twenty-eight thousand, eight hundred thirty".