1816266284 has 24 divisors (see below), whose sum is σ = 3686753280. Its totient is φ = 766781136.

The previous prime is 1816266251. The next prime is 1816266301. The reversal of 1816266284 is 4826626181.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482204 + ... + 485955.

It is an arithmetic number, because the mean of its divisors is an integer number (153614720).

Almost surely, 2^1816266284 is an apocalyptic number.

1816266284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1816266284 is an abundant number, since it is smaller than the sum of its proper divisors (1870486996).

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

1816266284 is a wasteful number, since it uses less digits than its factorization.

1816266284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968237 (or 968235 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 1816266284 is about 42617.6757226388. The cubic root of 1816266284 is about 1220.0936692391.

The spelling of 1816266284 in words is "one billion, eight hundred sixteen million, two hundred sixty-six thousand, two hundred eighty-four".