1418966818 has 8 divisors (see below), whose sum is σ = 2129645340. Its totient is φ = 709085040.

The previous prime is 1418966779. The next prime is 1418966819. The reversal of 1418966818 is 8186698141.

It can be written as a sum of positive squares in 2 ways, for example, as 1369222009 + 49744809 = 37003^2 + 7053^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1418966819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194713 + ... + 201868.

Almost surely, 2^1418966818 is an apocalyptic number.

1418966818 is a deficient number, since it is larger than the sum of its proper divisors (710678522).

1418966818 is a wasteful number, since it uses less digits than its factorization.

1418966818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398372.

The product of its digits is 663552, while the sum is 52.

The square root of 1418966818 is about 37669.1759665645. The cubic root of 1418966818 is about 1123.7181958604.

The spelling of 1418966818 in words is "one billion, four hundred eighteen million, nine hundred sixty-six thousand, eight hundred eighteen".