2161060705000 has 320 divisors, whose sum is σ = 5255217792000. Its totient is φ = 832398336000.

The previous prime is 2161060704991. The next prime is 2161060705019. The reversal of 2161060705000 is 5070601612.

It is a self number, because there is not a number n which added to its sum of digits gives 2161060705000.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6121984824 + ... + 6121985176.

It is an arithmetic number, because the mean of its divisors is an integer number (16422555600).

Almost surely, 2^{2161060705000} is an apocalyptic number.

2161060705000 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 2161060705000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2627608896000).

2161060705000 is an abundant number, since it is smaller than the sum of its proper divisors (3094157087000).

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

2161060705000 is a wasteful number, since it uses less digits than its factorization.

2161060705000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 2161060705000 in words is "two trillion, one hundred sixty-one billion, sixty million, seven hundred five thousand".