18570200100 has 144 divisors (see below), whose sum is σ = 55287253056. Its totient is φ = 4809024000.

The previous prime is 18570200093. The next prime is 18570200149. The reversal of 18570200100 is 100207581.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7335835 + ... + 7338365.

Almost surely, 2^18570200100 is an apocalyptic number.

18570200100 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 18570200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27643626528).

18570200100 is an abundant number, since it is smaller than the sum of its proper divisors (36717052956).

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

18570200100 is a wasteful number, since it uses less digits than its factorization.

18570200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

Adding to 18570200100 its reverse (100207581), we get a palindrome (18670407681).

The spelling of 18570200100 in words is "eighteen billion, five hundred seventy million, two hundred thousand, one hundred".