2660849306650 has 48 divisors (see below), whose sum is σ = 5516113642560. Its totient is φ = 949008787200.

The previous prime is 2660849306617. The next prime is 2660849306659. The reversal of 2660849306650 is 566039480662.

2660849306650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2660849306591 and 2660849306600.

It is not an unprimeable number, because it can be changed into a prime (2660849306659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82363086 + ... + 82395385.

It is an arithmetic number, because the mean of its divisors is an integer number (114919034220).

Almost surely, 2^{2660849306650} is an apocalyptic number.

2660849306650 is an abundant number, since it is smaller than the sum of its proper divisors (2855264335910).

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

2660849306650 is a wasteful number, since it uses less digits than its factorization.

2660849306650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164758519 (or 164758514 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 2660849306650 in words is "two trillion, six hundred sixty billion, eight hundred forty-nine million, three hundred six thousand, six hundred fifty".