118197585 has 48 divisors (see below), whose sum is σ = 226631808. Its totient is φ = 56505600.

The previous prime is 118197577. The next prime is 118197587. The reversal of 118197585 is 585791811.

It is not a de Polignac number, because 118197585 - 2³ = 118197577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 118197585.

It is not an unprimeable number, because it can be changed into a prime (118197587) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 34500 + ... + 37770.

It is an arithmetic number, because the mean of its divisors is an integer number (4721496).

Almost surely, 2^118197585 is an apocalyptic number.

118197585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118197585 is a deficient number, since it is larger than the sum of its proper divisors (108434223).

118197585 is a wasteful number, since it uses less digits than its factorization.

118197585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3363 counting only the distinct ones).

The product of its digits is 100800, while the sum is 45.

The square root of 118197585 is about 10871.8712740724. The cubic root of 118197585 is about 490.7604255687.

The spelling of 118197585 in words is "one hundred eighteen million, one hundred ninety-seven thousand, five hundred eighty-five".