115203666 has 8 divisors (see below), whose sum is σ = 230407344. Its totient is φ = 38401220.

The previous prime is 115203637. The next prime is 115203667. The reversal of 115203666 is 666302511.

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

115203666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (115203667) 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 3 ways as a sum of consecutive naturals, for example, 9600300 + ... + 9600311.

It is an arithmetic number, because the mean of its divisors is an integer number (28800918).

Almost surely, 2^115203666 is an apocalyptic number.

115203666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115203666 is a wasteful number, since it uses less digits than its factorization.

115203666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19200616.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 115203666 is about 10733.2970703321. The cubic root of 115203666 is about 486.5813210153.

It can be divided in two parts, 11520366 and 6, that multiplied together give a palindrome (69122196).

The spelling of 115203666 in words is "one hundred fifteen million, two hundred three thousand, six hundred sixty-six".