191956846432 has 48 divisors (see below), whose sum is σ = 409393776960. Its totient is φ = 88595435136.

The previous prime is 191956846427. The next prime is 191956846511. The reversal of 191956846432 is 234648659191.

It is a super-2 number, since 2×191956846432² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294888 + ... + 1435495.

It is an arithmetic number, because the mean of its divisors is an integer number (8529037020).

Almost surely, 2^191956846432 is an apocalyptic number.

It is an amenable number.

191956846432 is an abundant number, since it is smaller than the sum of its proper divisors (217436930528).

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

191956846432 is an equidigital number, since it uses as much as digits as its factorization.

191956846432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730432 (or 2730398 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The spelling of 191956846432 in words is "one hundred ninety-one billion, nine hundred fifty-six million, eight hundred forty-six thousand, four hundred thirty-two".