18208141830 has 24 divisors (see below), whose sum is σ = 47341168992. Its totient is φ = 4855504464.

The previous prime is 18208141829. The next prime is 18208141841. The reversal of 18208141830 is 3814180281.

18208141830 is a `hidden beast` number, since 1 + 8 + 208 + 1 + 418 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101156254 + ... + 101156433.

It is an arithmetic number, because the mean of its divisors is an integer number (1972548708).

Almost surely, 2^18208141830 is an apocalyptic number.

18208141830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18208141830 is an abundant number, since it is smaller than the sum of its proper divisors (29133027162).

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

18208141830 is a wasteful number, since it uses less digits than its factorization.

18208141830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202312700 (or 202312697 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 18208141830 in words is "eighteen billion, two hundred eight million, one hundred forty-one thousand, eight hundred thirty".