2168923680000 has 2160 divisors, whose sum is σ = 10072878047232. Its totient is φ = 435456000000.

The previous prime is 2168923679963. The next prime is 2168923680013. The reversal of 2168923680000 is 863298612.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3437279685 + ... + 3437280315.

Almost surely, 2^{2168923680000} is an apocalyptic number.

2168923680000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2168923680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5036439023616).

2168923680000 is an abundant number, since it is smaller than the sum of its proper divisors (7903954367232).

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

2168923680000 is a wasteful number, since it uses less digits than its factorization.

2168923680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 2168923680000 in words is "two trillion, one hundred sixty-eight billion, nine hundred twenty-three million, six hundred eighty thousand".