2072122105668 has 24 divisors (see below), whose sum is σ = 4834977023520. Its totient is φ = 690703733760.

The previous prime is 2072122105657. The next prime is 2072122105709. The reversal of 2072122105668 is 8665012212702.

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 7 ways as a sum of consecutive naturals, for example, 2928388 + ... + 3566468.

It is an arithmetic number, because the mean of its divisors is an integer number (201457375980).

Almost surely, 2^{2072122105668} is an apocalyptic number.

It is an amenable number.

2072122105668 is an abundant number, since it is smaller than the sum of its proper divisors (2762854917852).

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

2072122105668 is a wasteful number, since it uses less digits than its factorization.

2072122105668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908707 (or 908705 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 2072122105668 in words is "two trillion, seventy-two billion, one hundred twenty-two million, one hundred five thousand, six hundred sixty-eight".