18036508098 has 96 divisors (see below), whose sum is σ = 42350817600. Its totient is φ = 5105856000.

The previous prime is 18036508073. The next prime is 18036508099. The reversal of 18036508098 is 89080563081.

It is not an unprimeable number, because it can be changed into a prime (18036508099) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17193478 + ... + 17194526.

It is an arithmetic number, because the mean of its divisors is an integer number (441154350).

Almost surely, 2^18036508098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18036508098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21175408800).

18036508098 is an abundant number, since it is smaller than the sum of its proper divisors (24314309502).

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

18036508098 is a wasteful number, since it uses less digits than its factorization.

18036508098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 18036508098 in words is "eighteen billion, thirty-six million, five hundred eight thousand, ninety-eight".