8616191 has 8 divisors (see below), whose sum is σ = 9211104. Its totient is φ = 8039680.

The previous prime is 8616187. The next prime is 8616197. The reversal of 8616191 is 1916168.

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

It is a cyclic number.

It is not a de Polignac number, because 8616191 - 2² = 8616187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8616197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3626 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (1151388).

Almost surely, 2^8616191 is an apocalyptic number.

8616191 is a deficient number, since it is larger than the sum of its proper divisors (594913).

8616191 is a wasteful number, since it uses less digits than its factorization.

8616191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201.

The product of its digits is 2592, while the sum is 32.

The square root of 8616191 is about 2935.3349042315. The cubic root of 8616191 is about 205.0084549358.

The spelling of 8616191 in words is "eight million, six hundred sixteen thousand, one hundred ninety-one".