2168688296448 has 120 divisors (see below), whose sum is σ = 6334391791728. Its totient is φ = 714186381312.

The previous prime is 2168688296443. The next prime is 2168688296449. The reversal of 2168688296448 is 8446928868612.

2168688296448 is a `hidden beast` number, since 2 + 1 + 6 + 86 + 88 + 29 + 6 + 448 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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

It is not an unprimeable number, because it can be changed into a prime (2168688296441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2452690 + ... + 3217617.

Almost surely, 2^{2168688296448} is an apocalyptic number.

It is an amenable number.

2168688296448 is an abundant number, since it is smaller than the sum of its proper divisors (4165703495280).

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

2168688296448 is an equidigital number, since it uses as much as digits as its factorization.

2168688296448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670414 (or 5670395 counting only the distinct ones).

The product of its digits is 509607936, while the sum is 72.

The spelling of 2168688296448 in words is "two trillion, one hundred sixty-eight billion, six hundred eighty-eight million, two hundred ninety-six thousand, four hundred forty-eight".