18210180210 has 16 divisors (see below), whose sum is σ = 43704432576. Its totient is φ = 4856048048.

The previous prime is 18210180199. The next prime is 18210180253. The reversal of 18210180210 is 1208101281.

It is a super-2 number, since 2×18210180210² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303502974 + ... + 303503033.

It is an arithmetic number, because the mean of its divisors is an integer number (2731527036).

Almost surely, 2^18210180210 is an apocalyptic number.

18210180210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18210180210 is an abundant number, since it is smaller than the sum of its proper divisors (25494252366).

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

18210180210 is a wasteful number, since it uses less digits than its factorization.

18210180210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607006017.

The product of its (nonzero) digits is 256, while the sum is 24.

Adding to 18210180210 its reverse (1208101281), we get a palindrome (19418281491).

The spelling of 18210180210 in words is "eighteen billion, two hundred ten million, one hundred eighty thousand, two hundred ten".