16204254422565 has 32 divisors (see below), whose sum is σ = 28284470476416. Its totient is φ = 7856419055360.

The previous prime is 16204254422527. The next prime is 16204254422567. The reversal of 16204254422565 is 56522445240261.

16204254422565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16204254422565 - 2⁷ = 16204254422437 is a prime.

It is a super-2 number, since 2×16204254422565² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16204254422567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5817307 + ... + 8139383.

It is an arithmetic number, because the mean of its divisors is an integer number (883889702388).

Almost surely, 2^{16204254422565} is an apocalyptic number.

16204254422565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16204254422565 is a deficient number, since it is larger than the sum of its proper divisors (12080216053851).

16204254422565 is a wasteful number, since it uses less digits than its factorization.

16204254422565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364389.

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 16204254422565 in words is "sixteen trillion, two hundred four billion, two hundred fifty-four million, four hundred twenty-two thousand, five hundred sixty-five".