16520941852 has 12 divisors (see below), whose sum is σ = 29457151416. Its totient is φ = 8104612880.

The previous prime is 16520941849. The next prime is 16520941859. The reversal of 16520941852 is 25814902561.

16520941852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16520941799 and 16520941808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16520941859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38964274 + ... + 38964697.

It is an arithmetic number, because the mean of its divisors is an integer number (2454762618).

Almost surely, 2^16520941852 is an apocalyptic number.

It is an amenable number.

16520941852 is a deficient number, since it is larger than the sum of its proper divisors (12936209564).

16520941852 is a wasteful number, since it uses less digits than its factorization.

16520941852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77929028 (or 77929026 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 16520941852 in words is "sixteen billion, five hundred twenty million, nine hundred forty-one thousand, eight hundred fifty-two".