18598229472 has 24 divisors (see below), whose sum is σ = 48820352616. Its totient is φ = 6199409792.

The previous prime is 18598229467. The next prime is 18598229501. The reversal of 18598229472 is 27492289581.

It is a tau number, because it is divible by the number of its divisors (24).

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, 96865683 + ... + 96865874.

It is an arithmetic number, because the mean of its divisors is an integer number (2034181359).

Almost surely, 2^18598229472 is an apocalyptic number.

18598229472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18598229472 is an abundant number, since it is smaller than the sum of its proper divisors (30222123144).

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

18598229472 is a wasteful number, since it uses less digits than its factorization.

18598229472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193731570 (or 193731562 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The spelling of 18598229472 in words is "eighteen billion, five hundred ninety-eight million, two hundred twenty-nine thousand, four hundred seventy-two".