189681116 has 6 divisors (see below), whose sum is σ = 331941960. Its totient is φ = 94840556.

The previous prime is 189681103. The next prime is 189681119. The reversal of 189681116 is 611186981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189681119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23710136 + ... + 23710143.

It is an arithmetic number, because the mean of its divisors is an integer number (55323660).

Almost surely, 2^189681116 is an apocalyptic number.

It is an amenable number.

189681116 is a deficient number, since it is larger than the sum of its proper divisors (142260844).

189681116 is a wasteful number, since it uses less digits than its factorization.

189681116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47420283 (or 47420281 counting only the distinct ones).

The product of its digits is 20736, while the sum is 41.

The square root of 189681116 is about 13772.4767561975. The cubic root of 189681116 is about 574.5679082723.

The spelling of 189681116 in words is "one hundred eighty-nine million, six hundred eighty-one thousand, one hundred sixteen".