16528812 has 24 divisors (see below), whose sum is σ = 40244736. Its totient is φ = 5269968.

The previous prime is 16528807. The next prime is 16528817. The reversal of 16528812 is 21882561.

It is an interprime number because it is at equal distance from previous prime (16528807) and next prime (16528817).

It is a super-2 number, since 2×16528812² = 546403252262688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16528817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29668 + ... + 30219.

It is an arithmetic number, because the mean of its divisors is an integer number (1676864).

Almost surely, 2^16528812 is an apocalyptic number.

16528812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16528812 is an abundant number, since it is smaller than the sum of its proper divisors (23715924).

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

16528812 is a wasteful number, since it uses less digits than its factorization.

16528812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59917 (or 59915 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 16528812 is about 4065.5641674926. The cubic root of 16528812 is about 254.7302645668.

The spelling of 16528812 in words is "sixteen million, five hundred twenty-eight thousand, eight hundred twelve".