1816218296 has 16 divisors (see below), whose sum is σ = 3412803240. Its totient is φ = 906137440.

The previous prime is 1816218289. The next prime is 1816218311. The reversal of 1816218296 is 6928126181.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 242546 + ... + 249921.

Almost surely, 2^1816218296 is an apocalyptic number.

It is an amenable number.

1816218296 is a deficient number, since it is larger than the sum of its proper divisors (1596584944).

1816218296 is a wasteful number, since it uses less digits than its factorization.

1816218296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492934 (or 492930 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 1816218296 is about 42617.1127130875. The cubic root of 1816218296 is about 1220.0829236836.

The spelling of 1816218296 in words is "one billion, eight hundred sixteen million, two hundred eighteen thousand, two hundred ninety-six".