199830618486 has 16 divisors (see below), whose sum is σ = 444068041200. Its totient is φ = 66610206144.

The previous prime is 199830618469. The next prime is 199830618497. The reversal of 199830618486 is 684816038991.

199830618486 is a `hidden beast` number, since 1 + 9 + 9 + 8 + 3 + 0 + 618 + 4 + 8 + 6 = 666.

199830618486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850283451 + ... + 1850283558.

It is an arithmetic number, because the mean of its divisors is an integer number (27754252575).

Almost surely, 2^199830618486 is an apocalyptic number.

199830618486 is an abundant number, since it is smaller than the sum of its proper divisors (244237422714).

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

199830618486 is a wasteful number, since it uses less digits than its factorization.

199830618486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700567020 (or 3700567014 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 199830618486 in words is "one hundred ninety-nine billion, eight hundred thirty million, six hundred eighteen thousand, four hundred eighty-six".