189116458 has 8 divisors (see below), whose sum is σ = 283755780. Its totient is φ = 94531200.

The previous prime is 189116437. The next prime is 189116467. The reversal of 189116458 is 854611981.

It can be written as a sum of positive squares in 2 ways, for example, as 166487409 + 22629049 = 12903^2 + 4757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3193 + ... + 19708.

Almost surely, 2^189116458 is an apocalyptic number.

189116458 is a deficient number, since it is larger than the sum of its proper divisors (94639322).

189116458 is a wasteful number, since it uses less digits than its factorization.

189116458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27032.

The product of its digits is 69120, while the sum is 43.

The square root of 189116458 is about 13751.9619691155. The cubic root of 189116458 is about 573.9972016035.

The spelling of 189116458 in words is "one hundred eighty-nine million, one hundred sixteen thousand, four hundred fifty-eight".