6604213165 has 32 divisors (see below), whose sum is σ = 8785244160. Its totient is φ = 4725864000.

The previous prime is 6604213163. The next prime is 6604213207. The reversal of 6604213165 is 5613124066.

It is not a de Polignac number, because 6604213165 - 2¹ = 6604213163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6604213165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6604213163) 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, 1331440 + ... + 1336390.

It is an arithmetic number, because the mean of its divisors is an integer number (274538880).

Almost surely, 2^6604213165 is an apocalyptic number.

It is an amenable number.

6604213165 is a deficient number, since it is larger than the sum of its proper divisors (2181030995).

6604213165 is a wasteful number, since it uses less digits than its factorization.

6604213165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6604213165 is about 81266.3101475636. The cubic root of 6604213165 is about 1876.1765098557.

The spelling of 6604213165 in words is "six billion, six hundred four million, two hundred thirteen thousand, one hundred sixty-five".