16520852 has 6 divisors (see below), whose sum is σ = 28911498. Its totient is φ = 8260424.

The previous prime is 16520851. The next prime is 16520869. The reversal of 16520852 is 25802561.

16520852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14167696 + 2353156 = 3764^2 + 1534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16520851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065103 + ... + 2065110.

It is an arithmetic number, because the mean of its divisors is an integer number (4818583).

Almost surely, 2^16520852 is an apocalyptic number.

It is an amenable number.

16520852 is a deficient number, since it is larger than the sum of its proper divisors (12390646).

16520852 is a wasteful number, since it uses less digits than its factorization.

16520852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130217 (or 4130215 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 16520852 is about 4064.5850956770. The cubic root of 16520852 is about 254.6893667195.

The spelling of 16520852 in words is "sixteen million, five hundred twenty thousand, eight hundred fifty-two".