118213170 has 16 divisors (see below), whose sum is σ = 283711680. Its totient is φ = 31523504.

The previous prime is 118213159. The next prime is 118213213. The reversal of 118213170 is 71312811.

It is a happy number.

It is a super-2 number, since 2×118213170² = 27948707122897800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118213170.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970190 + ... + 1970249.

It is an arithmetic number, because the mean of its divisors is an integer number (17731980).

Almost surely, 2^118213170 is an apocalyptic number.

118213170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118213170 is an abundant number, since it is smaller than the sum of its proper divisors (165498510).

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

118213170 is a wasteful number, since it uses less digits than its factorization.

118213170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940449.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 118213170 is about 10872.5880083814. The cubic root of 118213170 is about 490.7819944389.

Adding to 118213170 its reverse (71312811), we get a palindrome (189525981).

The spelling of 118213170 in words is "one hundred eighteen million, two hundred thirteen thousand, one hundred seventy".