18575543996 has 6 divisors (see below), whose sum is σ = 32507202000. Its totient is φ = 9287771996.

The previous prime is 18575543963. The next prime is 18575544049. The reversal of 18575543996 is 69934557581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321942996 + ... + 2321943003.

It is an arithmetic number, because the mean of its divisors is an integer number (5417867000).

Almost surely, 2^18575543996 is an apocalyptic number.

It is an amenable number.

18575543996 is a deficient number, since it is larger than the sum of its proper divisors (13931658004).

18575543996 is a wasteful number, since it uses less digits than its factorization.

18575543996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643886003 (or 4643886001 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 62.

The spelling of 18575543996 in words is "eighteen billion, five hundred seventy-five million, five hundred forty-three thousand, nine hundred ninety-six".