108916181 has 8 divisors (see below), whose sum is σ = 118943328. Its totient is φ = 98910000.

The previous prime is 108916177. The next prime is 108916187. The reversal of 108916181 is 181619801.

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

It is a cyclic number.

It is not a de Polignac number, because 108916181 - 2² = 108916177 is a prime.

It is a super-2 number, since 2×108916181² = 23725468967249522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108916187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6851 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (14867916).

Almost surely, 2^108916181 is an apocalyptic number.

108916181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108916181 is a deficient number, since it is larger than the sum of its proper divisors (10027147).

108916181 is a wasteful number, since it uses less digits than its factorization.

108916181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483.

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 108916181 is about 10436.2915348317. The cubic root of 108916181 is about 477.5631428793.

The spelling of 108916181 in words is "one hundred eight million, nine hundred sixteen thousand, one hundred eighty-one".