1816049334 has 32 divisors (see below), whose sum is σ = 3968544384. Its totient is φ = 549449280.

The previous prime is 1816049321. The next prime is 1816049369. The reversal of 1816049334 is 4339406181.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1816049292 and 1816049301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21042 + ... + 63834.

It is an arithmetic number, because the mean of its divisors is an integer number (124017012).

Almost surely, 2^1816049334 is an apocalyptic number.

1816049334 is an abundant number, since it is smaller than the sum of its proper divisors (2152495050).

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

1816049334 is a wasteful number, since it uses less digits than its factorization.

1816049334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43452.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1816049334 is about 42615.1303412297. The cubic root of 1816049334 is about 1220.0450879153.

The spelling of 1816049334 in words is "one billion, eight hundred sixteen million, forty-nine thousand, three hundred thirty-four".