8194506544 has 20 divisors (see below), whose sum is σ = 18144979024. Its totient is φ = 3511931328.

The previous prime is 8194506521. The next prime is 8194506559. The reversal of 8194506544 is 4456054918.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8194506494 and 8194506503.

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, 36582507 + ... + 36582730.

Almost surely, 2^8194506544 is an apocalyptic number.

It is an amenable number.

8194506544 is an abundant number, since it is smaller than the sum of its proper divisors (9950472480).

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

8194506544 is a wasteful number, since it uses less digits than its factorization.

8194506544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73165252 (or 73165246 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 8194506544 is about 90523.5137629997. The cubic root of 8194506544 is about 2016.0792609196.

The spelling of 8194506544 in words is "eight billion, one hundred ninety-four million, five hundred six thousand, five hundred forty-four".