118218195 has 48 divisors (see below), whose sum is σ = 209993472. Its totient is φ = 61508160.

The previous prime is 118218193. The next prime is 118218203. The reversal of 118218195 is 591812811.

It is not a de Polignac number, because 118218195 - 2¹ = 118218193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118218193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 520672 + ... + 520898.

It is an arithmetic number, because the mean of its divisors is an integer number (4374864).

Almost surely, 2^118218195 is an apocalyptic number.

118218195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118218195 is a deficient number, since it is larger than the sum of its proper divisors (91775277).

118218195 is a wasteful number, since it uses less digits than its factorization.

118218195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 469 counting only the distinct ones).

The product of its digits is 5760, while the sum is 36.

The square root of 118218195 is about 10872.8190916616. The cubic root of 118218195 is about 490.7889483865.

The spelling of 118218195 in words is "one hundred eighteen million, two hundred eighteen thousand, one hundred ninety-five".