199197226968 has 16 divisors (see below), whose sum is σ = 497993067480. Its totient is φ = 66399075648.

The previous prime is 199197226967. The next prime is 199197226973. The reversal of 199197226968 is 869622791991.

199197226968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199197226961) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4149942205 + ... + 4149942252.

Almost surely, 2^199197226968 is an apocalyptic number.

It is an amenable number.

199197226968 is an abundant number, since it is smaller than the sum of its proper divisors (298795840512).

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

199197226968 is a wasteful number, since it uses less digits than its factorization.

199197226968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8299884466 (or 8299884462 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 69.

The spelling of 199197226968 in words is "one hundred ninety-nine billion, one hundred ninety-seven million, two hundred twenty-six thousand, nine hundred sixty-eight".