1816446730 has 32 divisors (see below), whose sum is σ = 3740463360. Its totient is φ = 622152960.

The previous prime is 1816446679. The next prime is 1816446733. The reversal of 1816446730 is 376446181.

It is not an unprimeable number, because it can be changed into a prime (1816446733) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 59586 + ... + 84754.

It is an arithmetic number, because the mean of its divisors is an integer number (116889480).

Almost surely, 2^1816446730 is an apocalyptic number.

1816446730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1816446730 is an abundant number, since it is smaller than the sum of its proper divisors (1924016630).

1816446730 is a wasteful number, since it uses less digits than its factorization.

1816446730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26214.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1816446730 is about 42619.7927024522. The cubic root of 1816446730 is about 1220.1340733241.

The spelling of 1816446730 in words is "one billion, eight hundred sixteen million, four hundred forty-six thousand, seven hundred thirty".