16205051053 has 4 divisors (see below), whose sum is σ = 16217923680. Its totient is φ = 16192178428.

The previous prime is 16205051047. The next prime is 16205051063. The reversal of 16205051053 is 35015050261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16205051053 - 2⁹ = 16205050541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16205051063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6434425 + ... + 6436942.

It is an arithmetic number, because the mean of its divisors is an integer number (4054480920).

Almost surely, 2^16205051053 is an apocalyptic number.

It is an amenable number.

16205051053 is a deficient number, since it is larger than the sum of its proper divisors (12872627).

16205051053 is a wasteful number, since it uses less digits than its factorization.

16205051053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12872626.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 16205051053 in words is "sixteen billion, two hundred five million, fifty-one thousand, fifty-three".