191606049 has 12 divisors (see below), whose sum is σ = 277116112. Its totient is φ = 127575000.

The previous prime is 191606021. The next prime is 191606101. The reversal of 191606049 is 940606191.

191606049 is a `hidden beast` number, since 1 + 9 + 1 + 606 + 0 + 49 = 666.

It is not a de Polignac number, because 191606049 - 2¹² = 191601953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (191606249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5827 + ... + 20424.

Almost surely, 2^191606049 is an apocalyptic number.

It is an amenable number.

191606049 is a deficient number, since it is larger than the sum of its proper divisors (85510063).

191606049 is a wasteful number, since it uses less digits than its factorization.

191606049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27068 (or 27065 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 191606049 is about 13842.1836788854. The cubic root of 191606049 is about 576.5049915232.

The spelling of 191606049 in words is "one hundred ninety-one million, six hundred six thousand, forty-nine".