2691116916186 has 8 divisors (see below), whose sum is σ = 5382233832384. Its totient is φ = 897038972060.

The previous prime is 2691116916179. The next prime is 2691116916209. The reversal of 2691116916186 is 6816196111962.

It is a happy number.

2691116916186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2691116916186 is an admirable number.

It is a super-2 number, since 2×2691116916186² (a number of 26 digits) contains 22 as substring.

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, 224259743010 + ... + 224259743021.

It is an arithmetic number, because the mean of its divisors is an integer number (672779229048).

Almost surely, 2^{2691116916186} is an apocalyptic number.

2691116916186 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2691116916186 is a wasteful number, since it uses less digits than its factorization.

2691116916186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448519486036.

The product of its digits is 1679616, while the sum is 57.

The spelling of 2691116916186 in words is "two trillion, six hundred ninety-one billion, one hundred sixteen million, nine hundred sixteen thousand, one hundred eighty-six".