191017632414 has 32 divisors (see below), whose sum is σ = 441872121600. Its totient is φ = 53918917632.

The previous prime is 191017632401. The next prime is 191017632427. The reversal of 191017632414 is 414236710191.

191017632414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (191017632401) and next prime (191017632427).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27394339 + ... + 27401310.

It is an arithmetic number, because the mean of its divisors is an integer number (13808503800).

Almost surely, 2^191017632414 is an apocalyptic number.

191017632414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

191017632414 is an abundant number, since it is smaller than the sum of its proper divisors (250854489186).

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

191017632414 is a wasteful number, since it uses less digits than its factorization.

191017632414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54795744.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 191017632414 in words is "one hundred ninety-one billion, seventeen million, six hundred thirty-two thousand, four hundred fourteen".