16528005 has 48 divisors (see below), whose sum is σ = 32497920. Its totient is φ = 7703424.

The previous prime is 16527983. The next prime is 16528009. The reversal of 16528005 is 50082561.

16528005 is a `hidden beast` number, since 1 + 652 + 8 + 0 + 0 + 5 = 666.

16528005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16528005 - 2¹² = 16523909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16528005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16528009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10372 + ... + 11858.

It is an arithmetic number, because the mean of its divisors is an integer number (677040).

Almost surely, 2^16528005 is an apocalyptic number.

16528005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16528005 is a deficient number, since it is larger than the sum of its proper divisors (15969915).

16528005 is a wasteful number, since it uses less digits than its factorization.

16528005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 16528005 is about 4065.4649180629. The cubic root of 16528005 is about 254.7261188631.

The spelling of 16528005 in words is "sixteen million, five hundred twenty-eight thousand, five".