2201605266660 has 48 divisors (see below), whose sum is σ = 6166363896000. Its totient is φ = 586916723584.

The previous prime is 2201605266617. The next prime is 2201605266673. The reversal of 2201605266660 is 666625061022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5363355 + ... + 5759234.

It is an arithmetic number, because the mean of its divisors is an integer number (128465914500).

Almost surely, 2^{2201605266660} is an apocalyptic number.

2201605266660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201605266660 is an abundant number, since it is smaller than the sum of its proper divisors (3964758629340).

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

2201605266660 is a wasteful number, since it uses less digits than its factorization.

2201605266660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125900 (or 11125898 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 2201605266660 in words is "two trillion, two hundred one billion, six hundred five million, two hundred sixty-six thousand, six hundred sixty".