916868318 has 4 divisors (see below), whose sum is σ = 1375302480. Its totient is φ = 458434158.

The previous prime is 916868311. The next prime is 916868357. The reversal of 916868318 is 813868619.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916868311) 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 as a sum of consecutive naturals, namely, 229217078 + ... + 229217081.

It is an arithmetic number, because the mean of its divisors is an integer number (343825620).

Almost surely, 2^916868318 is an apocalyptic number.

916868318 is a deficient number, since it is larger than the sum of its proper divisors (458434162).

916868318 is a wasteful number, since it uses less digits than its factorization.

916868318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458434161.

The product of its digits is 497664, while the sum is 50.

The square root of 916868318 is about 30279.8335200179. The cubic root of 916868318 is about 971.4840068402.

The spelling of 916868318 in words is "nine hundred sixteen million, eight hundred sixty-eight thousand, three hundred eighteen".