191678116 has 24 divisors (see below), whose sum is σ = 392708736. Its totient is φ = 80143680.

The previous prime is 191678107. The next prime is 191678131. The reversal of 191678116 is 611876191.

191678116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 82336 + ... + 84631.

It is an arithmetic number, because the mean of its divisors is an integer number (16362864).

Almost surely, 2^191678116 is an apocalyptic number.

It is an amenable number.

191678116 is an abundant number, since it is smaller than the sum of its proper divisors (201030620).

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

191678116 is a wasteful number, since it uses less digits than its factorization.

191678116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167019 (or 167017 counting only the distinct ones).

The product of its digits is 18144, while the sum is 40.

The square root of 191678116 is about 13844.7866000166. The cubic root of 191678116 is about 576.5772609490.

The spelling of 191678116 in words is "one hundred ninety-one million, six hundred seventy-eight thousand, one hundred sixteen".