18098589960 has 384 divisors, whose sum is σ = 66608904960. Its totient is φ = 4223232000.

The previous prime is 18098589959. The next prime is 18098589967. The reversal of 18098589960 is 6998589081.

It is a Cunningham number, because it is equal to 134531²-1.

It is not an unprimeable number, because it can be changed into a prime (18098589967) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14797909 + ... + 14799131.

It is an arithmetic number, because the mean of its divisors is an integer number (173460690).

Almost surely, 2^18098589960 is an apocalyptic number.

18098589960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18098589960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33304452480).

18098589960 is an abundant number, since it is smaller than the sum of its proper divisors (48510315000).

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

18098589960 is a wasteful number, since it uses less digits than its factorization.

18098589960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 63.

The spelling of 18098589960 in words is "eighteen billion, ninety-eight million, five hundred eighty-nine thousand, nine hundred sixty".