1116106691 has 8 divisors (see below), whose sum is σ = 1296461664. Its totient is φ = 940979520.

The previous prime is 1116106669. The next prime is 1116106711. The reversal of 1116106691 is 1966016111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116106691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116106601) 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, 1306490 + ... + 1307343.

It is an arithmetic number, because the mean of its divisors is an integer number (162057708).

Almost surely, 2^1116106691 is an apocalyptic number.

1116106691 is a deficient number, since it is larger than the sum of its proper divisors (180354973).

1116106691 is an equidigital number, since it uses as much as digits as its factorization.

1116106691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613901.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 1116106691 is about 33408.1829945898. The cubic root of 1116106691 is about 1037.2940909603.

The spelling of 1116106691 in words is "one billion, one hundred sixteen million, one hundred six thousand, six hundred ninety-one".