189116236 has 12 divisors (see below), whose sum is σ = 338650312. Its totient is φ = 92359008.

The previous prime is 189116233. The next prime is 189116237. The reversal of 189116236 is 632611981.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 189116195 and 189116204.

It is not an unprimeable number, because it can be changed into a prime (189116233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549585 + ... + 549928.

Almost surely, 2^189116236 is an apocalyptic number.

It is an amenable number.

189116236 is a deficient number, since it is larger than the sum of its proper divisors (149534076).

189116236 is a wasteful number, since it uses less digits than its factorization.

189116236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099560 (or 1099558 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 189116236 is about 13751.9538975376. The cubic root of 189116236 is about 573.9969770021.

The spelling of 189116236 in words is "one hundred eighty-nine million, one hundred sixteen thousand, two hundred thirty-six".