2163523534604 has 12 divisors (see below), whose sum is σ = 3985438090200. Its totient is φ = 1024826937408.

The previous prime is 2163523534511. The next prime is 2163523534621. The reversal of 2163523534604 is 4064353253612.

It is a happy 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, 14233707389 + ... + 14233707540.

It is an arithmetic number, because the mean of its divisors is an integer number (332119840850).

Almost surely, 2^{2163523534604} is an apocalyptic number.

It is an amenable number.

2163523534604 is a deficient number, since it is larger than the sum of its proper divisors (1821914555596).

2163523534604 is a wasteful number, since it uses less digits than its factorization.

2163523534604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28467414952 (or 28467414950 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 2163523534604 in words is "two trillion, one hundred sixty-three billion, five hundred twenty-three million, five hundred thirty-four thousand, six hundred four".