199986542514 has 32 divisors (see below), whose sum is σ = 484815862080. Its totient is φ = 60601982400.

The previous prime is 199986542513. The next prime is 199986542527. The reversal of 199986542514 is 415245689991.

199986542514 is a `hidden beast` number, since 1 + 9 + 9 + 9 + 86 + 542 + 5 + 1 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (199986542513) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 168338247 + ... + 168339434.

It is an arithmetic number, because the mean of its divisors is an integer number (15150495690).

Almost surely, 2^199986542514 is an apocalyptic number.

199986542514 is an abundant number, since it is smaller than the sum of its proper divisors (284829319566).

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

199986542514 is a wasteful number, since it uses less digits than its factorization.

199986542514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336677703 (or 336677697 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 63.

The spelling of 199986542514 in words is "one hundred ninety-nine billion, nine hundred eighty-six million, five hundred forty-two thousand, five hundred fourteen".