16202553205 has 24 divisors (see below), whose sum is σ = 21520826712. Its totient is φ = 11669121024.

The previous prime is 16202553187. The next prime is 16202553253. The reversal of 16202553205 is 50235520261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4818303396 + 11384249809 = 69414^2 + 106697^2 .

It is not a de Polignac number, because 16202553205 - 2⁵ = 16202553173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135204 + ... + 225133.

It is an arithmetic number, because the mean of its divisors is an integer number (896701113).

Almost surely, 2^16202553205 is an apocalyptic number.

It is an amenable number.

16202553205 is a deficient number, since it is larger than the sum of its proper divisors (5318273507).

16202553205 is a wasteful number, since it uses less digits than its factorization.

16202553205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360405 (or 360382 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 16202553205 in words is "sixteen billion, two hundred two million, five hundred fifty-three thousand, two hundred five".