2105660327740 has 48 divisors (see below), whose sum is σ = 4682141114112. Its totient is φ = 792694895616.

The previous prime is 2105660327699. The next prime is 2105660327747. The reversal of 2105660327740 is 477230665012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105660327747) 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, 14167654 + ... + 14315506.

It is an arithmetic number, because the mean of its divisors is an integer number (97544606544).

Almost surely, 2^{2105660327740} is an apocalyptic number.

2105660327740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105660327740 is an abundant number, since it is smaller than the sum of its proper divisors (2576480786372).

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

2105660327740 is a wasteful number, since it uses less digits than its factorization.

2105660327740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189766 (or 189764 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 2105660327740 in words is "two trillion, one hundred five billion, six hundred sixty million, three hundred twenty-seven thousand, seven hundred forty".