118685570 has 16 divisors (see below), whose sum is σ = 218845368. Its totient is φ = 46316160.

The previous prime is 118685557. The next prime is 118685573. The reversal of 118685570 is 75586811.

It can be written as a sum of positive squares in 4 ways, for example, as 74874409 + 43811161 = 8653^2 + 6619^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (118685573) 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, 144329 + ... + 145148.

Almost surely, 2^118685570 is an apocalyptic number.

118685570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118685570 is a deficient number, since it is larger than the sum of its proper divisors (100159798).

118685570 is a wasteful number, since it uses less digits than its factorization.

118685570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289525.

The product of its (nonzero) digits is 67200, while the sum is 41.

The square root of 118685570 is about 10894.2907066041. The cubic root of 118685570 is about 491.4348750688.

The spelling of 118685570 in words is "one hundred eighteen million, six hundred eighty-five thousand, five hundred seventy".