199390415814 has 24 divisors (see below), whose sum is σ = 434060028792. Its totient is φ = 66148477920.

The previous prime is 199390415789. The next prime is 199390415821. The reversal of 199390415814 is 418514093991.

It is a happy number.

199390415814 is a `hidden beast` number, since 1 + 99 + 390 + 4 + 158 + 14 = 666.

199390415814 is digitally balanced in base 2 and base 3, because in such bases 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 11 ways as a sum of consecutive naturals, for example, 26245599 + ... + 26253194.

It is an arithmetic number, because the mean of its divisors is an integer number (18085834533).

Almost surely, 2^199390415814 is an apocalyptic number.

199390415814 is an abundant number, since it is smaller than the sum of its proper divisors (234669612978).

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

199390415814 is a wasteful number, since it uses less digits than its factorization.

199390415814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52499012 (or 52499009 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 199390415814 in words is "one hundred ninety-nine billion, three hundred ninety million, four hundred fifteen thousand, eight hundred fourteen".