199969118364 has 24 divisors (see below), whose sum is σ = 469566554128. Its totient is φ = 66231809280.

The previous prime is 199969118357. The next prime is 199969118381. The reversal of 199969118364 is 463811969991.

199969118364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 199969118295 and 199969118304.

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, 53068477 + ... + 53072244.

Almost surely, 2^199969118364 is an apocalyptic number.

It is an amenable number.

199969118364 is an abundant number, since it is smaller than the sum of its proper divisors (269597435764).

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

199969118364 is a wasteful number, since it uses less digits than its factorization.

199969118364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106140885 (or 106140883 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 66.

The spelling of 199969118364 in words is "one hundred ninety-nine billion, nine hundred sixty-nine million, one hundred eighteen thousand, three hundred sixty-four".