2661230056650 has 48 divisors (see below), whose sum is σ = 7199836957728. Its totient is φ = 645146680000.

The previous prime is 2661230056621. The next prime is 2661230056669. The reversal of 2661230056650 is 566500321662.

2661230056650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806431701 + ... + 806435000.

It is an arithmetic number, because the mean of its divisors is an integer number (149996603286).

Almost surely, 2^{2661230056650} is an apocalyptic number.

2661230056650 is an abundant number, since it is smaller than the sum of its proper divisors (4538606901078).

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

2661230056650 is a wasteful number, since it uses less digits than its factorization.

2661230056650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612866727 (or 1612866722 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 2661230056650 in words is "two trillion, six hundred sixty-one billion, two hundred thirty million, fifty-six thousand, six hundred fifty".