1086916091 has 2 divisors, whose sum is σ = 1086916092. Its totient is φ = 1086916090.

The previous prime is 1086916069. The next prime is 1086916123. The reversal of 1086916091 is 1906196801.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1906196801) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1609169801 and 1089619061.

It is a cyclic number.

It is not a de Polignac number, because 1086916091 - 2³⁰ = 13174267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1086906091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543458045 + 543458046.

It is an arithmetic number, because the mean of its divisors is an integer number (543458046).

Almost surely, 2^1086916091 is an apocalyptic number.

1086916091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086916091 is an equidigital number, since it uses as much as digits as its factorization.

1086916091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 1086916091 is about 32968.4105015695. The cubic root of 1086916091 is about 1028.1709743406.

The spelling of 1086916091 in words is "one billion, eighty-six million, nine hundred sixteen thousand, ninety-one".