118818810 has 96 divisors (see below), whose sum is σ = 339049152. Its totient is φ = 28631040.

The previous prime is 118818809. The next prime is 118818811. The reversal of 118818810 is 18818811.

It is an interprime number because it is at equal distance from previous prime (118818809) and next prime (118818811).

It is a super-2 number, since 2×118818810² = 28235819219632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118818811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254197 + ... + 254663.

It is an arithmetic number, because the mean of its divisors is an integer number (3531762).

Almost surely, 2^118818810 is an apocalyptic number.

118818810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118818810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169524576).

118818810 is an abundant number, since it is smaller than the sum of its proper divisors (220230342).

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

118818810 is a wasteful number, since it uses less digits than its factorization.

118818810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 36.

The square root of 118818810 is about 10900.4041209489. The cubic root of 118818810 is about 491.6187061647.

Subtracting from 118818810 its reverse (18818811), we obtain a palindrome (99999999).

The spelling of 118818810 in words is "one hundred eighteen million, eight hundred eighteen thousand, eight hundred ten".