17998875102 has 64 divisors (see below), whose sum is σ = 39439540224. Its totient is φ = 5442837120.

The previous prime is 17998875049. The next prime is 17998875121. The reversal of 17998875102 is 20157889971.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1051452 + ... + 1068432.

It is an arithmetic number, because the mean of its divisors is an integer number (616242816).

Almost surely, 2^17998875102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17998875102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19719770112).

17998875102 is an abundant number, since it is smaller than the sum of its proper divisors (21440665122).

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

17998875102 is a wasteful number, since it uses less digits than its factorization.

17998875102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233.

The product of its (nonzero) digits is 2540160, while the sum is 57.

The spelling of 17998875102 in words is "seventeen billion, nine hundred ninety-eight million, eight hundred seventy-five thousand, one hundred two".