2205668165572 has 24 divisors (see below), whose sum is σ = 4079260513440. Its totient is φ = 1040627664000.

The previous prime is 2205668165567. The next prime is 2205668165593. The reversal of 2205668165572 is 2755618665022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57793573 + ... + 57831724.

It is an arithmetic number, because the mean of its divisors is an integer number (169969188060).

Almost surely, 2^{2205668165572} is an apocalyptic number.

It is an amenable number.

2205668165572 is a deficient number, since it is larger than the sum of its proper divisors (1873592347868).

2205668165572 is a wasteful number, since it uses less digits than its factorization.

2205668165572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115625571 (or 115625569 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 2205668165572 in words is "two trillion, two hundred five billion, six hundred sixty-eight million, one hundred sixty-five thousand, five hundred seventy-two".