18468034556 has 12 divisors (see below), whose sum is σ = 32320279992. Its totient is φ = 9233668848.

The previous prime is 18468034537. The next prime is 18468034567. The reversal of 18468034556 is 65543086481.

It is a super-2 number, since 2×18468034556² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 59606 + ... + 201218.

It is an arithmetic number, because the mean of its divisors is an integer number (2693356666).

Almost surely, 2^18468034556 is an apocalyptic number.

It is an amenable number.

18468034556 is a deficient number, since it is larger than the sum of its proper divisors (13852245436).

18468034556 is a wasteful number, since it uses less digits than its factorization.

18468034556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174220 (or 174218 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 18468034556 in words is "eighteen billion, four hundred sixty-eight million, thirty-four thousand, five hundred fifty-six".