2604191604 has 192 divisors, whose sum is σ = 7547904000. Its totient is φ = 682324992.

The previous prime is 2604191599. The next prime is 2604191617. The reversal of 2604191604 is 4061914062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11176672 + ... + 11176904.

It is an arithmetic number, because the mean of its divisors is an integer number (39312000).

Almost surely, 2^2604191604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2604191604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773952000).

2604191604 is an abundant number, since it is smaller than the sum of its proper divisors (4943712396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2604191604 is a wasteful number, since it uses less digits than its factorization.

2604191604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2604191604 is about 51031.2806423668. The cubic root of 2604191604 is about 1375.8074118926.

The spelling of 2604191604 in words is "two billion, six hundred four million, one hundred ninety-one thousand, six hundred four".