4561917318 has 24 divisors (see below), whose sum is σ = 11296176528. Its totient is φ = 1303404912.

The previous prime is 4561917301. The next prime is 4561917319. The reversal of 4561917318 is 8137191654.

4561917318 is a `hidden beast` number, since 4 + 5 + 619 + 17 + 3 + 18 = 666.

It is a super-2 number, since 2×4561917318² = 41622179232536626248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561917319) 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 11 ways as a sum of consecutive naturals, for example, 18102721 + ... + 18102972.

It is an arithmetic number, because the mean of its divisors is an integer number (470674022).

Almost surely, 2^4561917318 is an apocalyptic number.

4561917318 is an abundant number, since it is smaller than the sum of its proper divisors (6734259210).

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

4561917318 is a wasteful number, since it uses less digits than its factorization.

4561917318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36205708 (or 36205705 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 4561917318 is about 67541.9670871378. The cubic root of 4561917318 is about 1658.5012501859.

The spelling of 4561917318 in words is "four billion, five hundred sixty-one million, nine hundred seventeen thousand, three hundred eighteen".