1816445964414 has 8 divisors (see below), whose sum is σ = 3632891928840. Its totient is φ = 605481988136.

The previous prime is 1816445964343. The next prime is 1816445964449. The reversal of 1816445964414 is 4144695446181.

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

1816445964414 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151370497029 + ... + 151370497040.

It is an arithmetic number, because the mean of its divisors is an integer number (454111491105).

Almost surely, 2^{1816445964414} is an apocalyptic number.

1816445964414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1816445964414 is a wasteful number, since it uses less digits than its factorization.

1816445964414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302740994074.

The product of its digits is 13271040, while the sum is 57.

The spelling of 1816445964414 in words is "one trillion, eight hundred sixteen billion, four hundred forty-five million, nine hundred sixty-four thousand, four hundred fourteen".