10091118 has 8 divisors (see below), whose sum is σ = 20182248. Its totient is φ = 3363704.

The previous prime is 10091113. The next prime is 10091129. The reversal of 10091118 is 81119001.

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

10091118 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 10091094 and 10091103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840921 + ... + 840932.

It is an arithmetic number, because the mean of its divisors is an integer number (2522781).

Almost surely, 2^10091118 is an apocalyptic number.

10091118 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.

10091118 is a wasteful number, since it uses less digits than its factorization.

10091118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681858.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 10091118 is about 3176.6520111589. The cubic root of 10091118 is about 216.0958508066.

The spelling of 10091118 in words is "ten million, ninety-one thousand, one hundred eighteen".