16811152 has 20 divisors (see below), whose sum is σ = 32966640. Its totient is φ = 8303648.

The previous prime is 16811131. The next prime is 16811153. The reversal of 16811152 is 25111861.

It is a happy number.

It is a super-2 number, since 2×16811152² = 565229663134208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16811153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5002 + ... + 7657.

It is an arithmetic number, because the mean of its divisors is an integer number (1648332).

Almost surely, 2^16811152 is an apocalyptic number.

It is an amenable number.

16811152 is a deficient number, since it is larger than the sum of its proper divisors (16155488).

16811152 is a wasteful number, since it uses less digits than its factorization.

16811152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750 (or 12744 counting only the distinct ones).

The product of its digits is 480, while the sum is 25.

The square root of 16811152 is about 4100.1404853980. The cubic root of 16811152 is about 256.1724911723.

The spelling of 16811152 in words is "sixteen million, eight hundred eleven thousand, one hundred fifty-two".