10109718 has 16 divisors (see below), whose sum is σ = 22466160. Its totient is φ = 3369888.

The previous prime is 10109717. The next prime is 10109753. The reversal of 10109718 is 81790101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10109691 and 10109700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109711) 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, 93555 + ... + 93662.

It is an arithmetic number, because the mean of its divisors is an integer number (1404135).

Almost surely, 2^10109718 is an apocalyptic number.

10109718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10109718 is an abundant number, since it is smaller than the sum of its proper divisors (12356442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10109718 is a wasteful number, since it uses less digits than its factorization.

10109718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187228 (or 187222 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 10109718 is about 3179.5782739225. The cubic root of 10109718 is about 216.2285389731.

Adding to 10109718 its reverse (81790101), we get a palindrome (91899819).

The spelling of 10109718 in words is "ten million, one hundred nine thousand, seven hundred eighteen".