199969146246 has 8 divisors (see below), whose sum is σ = 399938292504. Its totient is φ = 66656382080.

The previous prime is 199969146239. The next prime is 199969146281. The reversal of 199969146246 is 642641969991.

It is a sphenic number, since it is the product of 3 distinct primes.

199969146246 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16664095515 + ... + 16664095526.

It is an arithmetic number, because the mean of its divisors is an integer number (49992286563).

Almost surely, 2^199969146246 is an apocalyptic number.

199969146246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199969146246 is a wasteful number, since it uses less digits than its factorization.

199969146246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33328191046.

The product of its digits is 45349632, while the sum is 66.

The spelling of 199969146246 in words is "one hundred ninety-nine billion, nine hundred sixty-nine million, one hundred forty-six thousand, two hundred forty-six".