108016891 has 2 divisors, whose sum is σ = 108016892. Its totient is φ = 108016890.

The previous prime is 108016841. The next prime is 108016907. The reversal of 108016891 is 198610801.

It is a strong prime.

It is an emirp because it is prime and its reverse (198610801) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 168910801 and 108019861.

It is a cyclic number.

It is not a de Polignac number, because 108016891 - 2¹⁹ = 107492603 is a prime.

It is not a weakly prime, because it can be changed into another prime (108016841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54008445 + 54008446.

It is an arithmetic number, because the mean of its divisors is an integer number (54008446).

Almost surely, 2^108016891 is an apocalyptic number.

108016891 is a deficient number, since it is larger than the sum of its proper divisors (1).

108016891 is an equidigital number, since it uses as much as digits as its factorization.

108016891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 108016891 is about 10393.1174822572. The cubic root of 108016891 is about 476.2451409548.

It can be divided in two parts, 1080 and 16891, that added together give a palindrome (17971).

The spelling of 108016891 in words is "one hundred eight million, sixteen thousand, eight hundred ninety-one".