191545596268 has 48 divisors (see below), whose sum is σ = 380240439040. Its totient is φ = 83697364800.

The previous prime is 191545596239. The next prime is 191545596311. The reversal of 191545596268 is 862695545191.

191545596268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449313 + ... + 1575943.

Almost surely, 2^191545596268 is an apocalyptic number.

It is an amenable number.

191545596268 is a deficient number, since it is larger than the sum of its proper divisors (188694842772).

191545596268 is a wasteful number, since it uses less digits than its factorization.

191545596268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128198 (or 128196 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 61.

The spelling of 191545596268 in words is "one hundred ninety-one billion, five hundred forty-five million, five hundred ninety-six thousand, two hundred sixty-eight".