16204579201 has 4 divisors (see below), whose sum is σ = 16426559812. Its totient is φ = 15982598592.

The previous prime is 16204579189. The next prime is 16204579217. The reversal of 16204579201 is 10297540261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10297540261 = 6991 ⋅1472971.

It can be written as a sum of positive squares in 2 ways, for example, as 7365758976 + 8838820225 = 85824^2 + 94015^2 .

It is a cyclic number.

It is not a de Polignac number, because 16204579201 - 2⁵ = 16204579169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16204577201) 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, 110990196 + ... + 110990341.

It is an arithmetic number, because the mean of its divisors is an integer number (4106639953).

Almost surely, 2^16204579201 is an apocalyptic number.

It is an amenable number.

16204579201 is a deficient number, since it is larger than the sum of its proper divisors (221980611).

16204579201 is an equidigital number, since it uses as much as digits as its factorization.

16204579201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221980610.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 16204579201 in words is "sixteen billion, two hundred four million, five hundred seventy-nine thousand, two hundred one".