191198393656032 has 96 divisors (see below), whose sum is σ = 573647908522752. Its totient is φ = 54623090801664.

The previous prime is 191198393656027. The next prime is 191198393656051. The reversal of 191198393656032 is 230656393891191.

191198393656032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5758453 + ... + 20385204.

It is an arithmetic number, because the mean of its divisors is an integer number (5975499047112).

Almost surely, 2^{191198393656032} is an apocalyptic number.

191198393656032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

191198393656032 is an abundant number, since it is smaller than the sum of its proper divisors (382449514866720).

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

191198393656032 is a wasteful number, since it uses less digits than its factorization.

191198393656032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26154560 (or 26154552 counting only the distinct ones).

The product of its (nonzero) digits is 56687040, while the sum is 66.

The spelling of 191198393656032 in words is "one hundred ninety-one trillion, one hundred ninety-eight billion, three hundred ninety-three million, six hundred fifty-six thousand, thirty-two".