18472597698 has 16 divisors (see below), whose sum is σ = 39118442400. Its totient is φ = 5795324736.

The previous prime is 18472597673. The next prime is 18472597711. The reversal of 18472597698 is 89679527481.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90551848 + ... + 90552051.

It is an arithmetic number, because the mean of its divisors is an integer number (2444902650).

Almost surely, 2^18472597698 is an apocalyptic number.

18472597698 is an abundant number, since it is smaller than the sum of its proper divisors (20645844702).

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

18472597698 is a wasteful number, since it uses less digits than its factorization.

18472597698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181103921.

The product of its digits is 60963840, while the sum is 66.

The spelling of 18472597698 in words is "eighteen billion, four hundred seventy-two million, five hundred ninety-seven thousand, six hundred ninety-eight".