118966385 has 8 divisors (see below), whose sum is σ = 144173736. Its totient is φ = 94230400.

The previous prime is 118966343. The next prime is 118966399. The reversal of 118966385 is 583669811.

It can be written as a sum of positive squares in 4 ways, for example, as 19784704 + 99181681 = 4448^2 + 9959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118966385 - 2¹⁶ = 118900849 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 117284 + ... + 118293.

It is an arithmetic number, because the mean of its divisors is an integer number (18021717).

Almost surely, 2^118966385 is an apocalyptic number.

It is an amenable number.

118966385 is a deficient number, since it is larger than the sum of its proper divisors (25207351).

118966385 is a wasteful number, since it uses less digits than its factorization.

118966385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235683.

The product of its digits is 311040, while the sum is 47.

The square root of 118966385 is about 10907.1712648147. The cubic root of 118966385 is about 491.8221549141.

It can be divided in two parts, 11896 and 6385, that added together give a palindrome (18281).

The spelling of 118966385 in words is "one hundred eighteen million, nine hundred sixty-six thousand, three hundred eighty-five".