191338804384 has 48 divisors (see below), whose sum is σ = 463628648448. Its totient is φ = 75694470912.

The previous prime is 191338804367. The next prime is 191338804399. The reversal of 191338804384 is 483408833191.

191338804384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×191338804384² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 32850592 + ... + 32856415.

It is an arithmetic number, because the mean of its divisors is an integer number (9658930176).

Almost surely, 2^191338804384 is an apocalyptic number.

191338804384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

191338804384 is an abundant number, since it is smaller than the sum of its proper divisors (272289844064).

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

191338804384 is a wasteful number, since it uses less digits than its factorization.

191338804384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65707037 (or 65707029 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 191338804384 in words is "one hundred ninety-one billion, three hundred thirty-eight million, eight hundred four thousand, three hundred eighty-four".