191334427672 has 32 divisors (see below), whose sum is σ = 371633402880. Its totient is φ = 92253998880.

The previous prime is 191334427649. The next prime is 191334427717. The reversal of 191334427672 is 276724433191.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1292908 + ... + 1433275.

It is an arithmetic number, because the mean of its divisors is an integer number (11613543840).

Almost surely, 2^191334427672 is an apocalyptic number.

It is an amenable number.

191334427672 is a deficient number, since it is larger than the sum of its proper divisors (180298975208).

191334427672 is a wasteful number, since it uses less digits than its factorization.

191334427672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726503 (or 2726499 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 49.

The spelling of 191334427672 in words is "one hundred ninety-one billion, three hundred thirty-four million, four hundred twenty-seven thousand, six hundred seventy-two".