2168933446000 has 80 divisors (see below), whose sum is σ = 5330456471808. Its totient is φ = 853350816000.

The previous prime is 2168933445989. The next prime is 2168933446019. The reversal of 2168933446000 is 6443398612.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8767072 + ... + 9011071.

Almost surely, 2^{2168933446000} is an apocalyptic number.

2168933446000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2168933446000 is an abundant number, since it is smaller than the sum of its proper divisors (3161523025808).

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

2168933446000 is a wasteful number, since it uses less digits than its factorization.

2168933446000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778227 (or 17778211 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 2168933446000 in words is "two trillion, one hundred sixty-eight billion, nine hundred thirty-three million, four hundred forty-six thousand".