1446223668816 has 80 divisors (see below), whose sum is σ = 3823575900480. Its totient is φ = 470915005440.

The previous prime is 1446223668787. The next prime is 1446223668821. The reversal of 1446223668816 is 6188663226441.

It is a super-2 number, since 2×1446223668816² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 1684795 + ... + 2393946.

It is an arithmetic number, because the mean of its divisors is an integer number (47794698756).

Almost surely, 2^{1446223668816} is an apocalyptic number.

1446223668816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1446223668816 is an abundant number, since it is smaller than the sum of its proper divisors (2377352231664).

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

1446223668816 is a wasteful number, since it uses less digits than its factorization.

1446223668816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078924 (or 4078918 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 57.

The spelling of 1446223668816 in words is "one trillion, four hundred forty-six billion, two hundred twenty-three million, six hundred sixty-eight thousand, eight hundred sixteen".