6116991 has 16 divisors (see below), whose sum is σ = 8686944. Its totient is φ = 3815424.

The previous prime is 6116989. The next prime is 6117037. The reversal of 6116991 is 1996116.

It is not a de Polignac number, because 6116991 - 2¹ = 6116989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6116921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13911 + ... + 14343.

It is an arithmetic number, because the mean of its divisors is an integer number (542934).

Almost surely, 2^6116991 is an apocalyptic number.

6116991 is a deficient number, since it is larger than the sum of its proper divisors (2569953).

6116991 is a wasteful number, since it uses less digits than its factorization.

6116991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its digits is 2916, while the sum is 33.

The square root of 6116991 is about 2473.2551425197. The cubic root of 6116991 is about 182.8855027454.

The spelling of 6116991 in words is "six million, one hundred sixteen thousand, nine hundred ninety-one".