2643163604 has 24 divisors (see below), whose sum is σ = 4901238720. Its totient is φ = 1242924416.

The previous prime is 2643163577. The next prime is 2643163613. The reversal of 2643163604 is 4063613462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83417 + ... + 110655.

It is an arithmetic number, because the mean of its divisors is an integer number (204218280).

Almost surely, 2^2643163604 is an apocalyptic number.

It is an amenable number.

2643163604 is a deficient number, since it is larger than the sum of its proper divisors (2258075116).

2643163604 is a wasteful number, since it uses less digits than its factorization.

2643163604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28687 (or 28685 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 2643163604 is about 51411.7068769361. The cubic root of 2643163604 is about 1382.6364923603.

The spelling of 2643163604 in words is "two billion, six hundred forty-three million, one hundred sixty-three thousand, six hundred four".