18298107417990 has 64 divisors (see below), whose sum is σ = 45870850022400. Its totient is φ = 4665496665984.

The previous prime is 18298107417913. The next prime is 18298107417991. The reversal of 18298107417990 is 9971470189281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18298107417991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102008970 + ... + 102188189.

It is an arithmetic number, because the mean of its divisors is an integer number (716732031600).

Almost surely, 2^{18298107417990} is an apocalyptic number.

18298107417990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18298107417990 is an abundant number, since it is smaller than the sum of its proper divisors (27572742604410).

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

18298107417990 is a wasteful number, since it uses less digits than its factorization.

18298107417990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204197301.

The product of its (nonzero) digits is 18289152, while the sum is 66.

The spelling of 18298107417990 in words is "eighteen trillion, two hundred ninety-eight billion, one hundred seven million, four hundred seventeen thousand, nine hundred ninety".