6164605225 has 27 divisors (see below), whose sum is σ = 7855610149. Its totient is φ = 4798836800.

The previous prime is 6164605193. The next prime is 6164605241. The reversal of 6164605225 is 5225064616.

The square root of 6164605225 is 78515.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2594781721 + 3569823504 = 50939^2 + 59748^2 .

It is not a de Polignac number, because 6164605225 - 2⁵ = 6164605193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 16095384 + ... + 16095766.

Almost surely, 2^6164605225 is an apocalyptic number.

6164605225 is the 78515-th square number.

6164605225 is the 39258-th centered octagonal number.

It is an amenable number.

6164605225 is a deficient number, since it is larger than the sum of its proper divisors (1691004924).

6164605225 is an frugal number, since it uses more digits than its factorization.

6164605225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The cubic root of 6164605225 is about 1833.5879942847.

The spelling of 6164605225 in words is "six billion, one hundred sixty-four million, six hundred five thousand, two hundred twenty-five".