199969680774 has 8 divisors (see below), whose sum is σ = 399939361560. Its totient is φ = 66656560256.

The previous prime is 199969680761. The next prime is 199969680787. The reversal of 199969680774 is 477086969991.

It is an interprime number because it is at equal distance from previous prime (199969680761) and next prime (199969680787).

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

199969680774 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 199969680696 and 199969680705.

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, 16664140059 + ... + 16664140070.

It is an arithmetic number, because the mean of its divisors is an integer number (49992420195).

Almost surely, 2^199969680774 is an apocalyptic number.

199969680774 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.

199969680774 is a wasteful number, since it uses less digits than its factorization.

199969680774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33328280134.

The product of its (nonzero) digits is 370355328, while the sum is 75.

The spelling of 199969680774 in words is "one hundred ninety-nine billion, nine hundred sixty-nine million, six hundred eighty thousand, seven hundred seventy-four".