2122896461568 has 144 divisors (see below), whose sum is σ = 5669875604736. Its totient is φ = 705147412480.

The previous prime is 2122896461561. The next prime is 2122896461659. The reversal of 2122896461568 is 8651646982212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122896461561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280172596 + ... + 280180172.

It is an arithmetic number, because the mean of its divisors is an integer number (39374136144).

Almost surely, 2^{2122896461568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122896461568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2834937802368).

2122896461568 is an abundant number, since it is smaller than the sum of its proper divisors (3546979143168).

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

2122896461568 is an equidigital number, since it uses as much as digits as its factorization.

2122896461568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8830 (or 8816 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 60.

The spelling of 2122896461568 in words is "two trillion, one hundred twenty-two billion, eight hundred ninety-six million, four hundred sixty-one thousand, five hundred sixty-eight".