194681116 has 54 divisors (see below), whose sum is σ = 411397728. Its totient is φ = 80292240.

The previous prime is 194681111. The next prime is 194681117. The reversal of 194681116 is 611186491.

194681116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194681111) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1087515 + ... + 1087693.

Almost surely, 2^194681116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194681116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205698864).

194681116 is an abundant number, since it is smaller than the sum of its proper divisors (216716612).

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

194681116 is a wasteful number, since it uses less digits than its factorization.

194681116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 219 counting only the distinct ones).

The product of its digits is 10368, while the sum is 37.

The square root of 194681116 is about 13952.8174932520. The cubic root of 194681116 is about 579.5727293135.

The spelling of 194681116 in words is "one hundred ninety-four million, six hundred eighty-one thousand, one hundred sixteen".