6604620404 has 12 divisors (see below), whose sum is σ = 11558673924. Its totient is φ = 3302142144.

The previous prime is 6604620397. The next prime is 6604620413. The reversal of 6604620404 is 4040264066.

It can be written as a sum of positive squares in 2 ways, for example, as 6561324004 + 43296400 = 81002^2 + 6580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98984 + ... + 151680.

It is an arithmetic number, because the mean of its divisors is an integer number (963222827).

Almost surely, 2^6604620404 is an apocalyptic number.

It is an amenable number.

6604620404 is a deficient number, since it is larger than the sum of its proper divisors (4954053520).

6604620404 is a wasteful number, since it uses less digits than its factorization.

6604620404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84034 (or 84032 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 6604620404 is about 81268.8156921214. The cubic root of 6604620404 is about 1876.2150729428.

The spelling of 6604620404 in words is "six billion, six hundred four million, six hundred twenty thousand, four hundred four".