199834527672 has 96 divisors (see below), whose sum is σ = 617136090480. Its totient is φ = 57870627840.

The previous prime is 199834527617. The next prime is 199834527691. The reversal of 199834527672 is 276725438991.

199834527672 is a `hidden beast` number, since 1 + 9 + 9 + 8 + 34 + 527 + 6 + 72 = 666.

199834527672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 6263454 + ... + 6295277.

Almost surely, 2^199834527672 is an apocalyptic number.

199834527672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199834527672 is an abundant number, since it is smaller than the sum of its proper divisors (417301562808).

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

199834527672 is a wasteful number, since it uses less digits than its factorization.

199834527672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12558773 (or 12558766 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 199834527672 in words is "one hundred ninety-nine billion, eight hundred thirty-four million, five hundred twenty-seven thousand, six hundred seventy-two".