2127563042066 has 64 divisors (see below), whose sum is σ = 4195568931840. Its totient is φ = 783917352000.

The previous prime is 2127563042053. The next prime is 2127563042081. The reversal of 2127563042066 is 6602403657212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1034036 + ... + 2307456.

It is an arithmetic number, because the mean of its divisors is an integer number (65555764560).

Almost surely, 2^{2127563042066} is an apocalyptic number.

2127563042066 is a deficient number, since it is larger than the sum of its proper divisors (2068005889774).

2127563042066 is a wasteful number, since it uses less digits than its factorization.

2127563042066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274031.

The product of its (nonzero) digits is 725760, while the sum is 44.

Adding to 2127563042066 its reverse (6602403657212), we get a palindrome (8729966699278).

The spelling of 2127563042066 in words is "two trillion, one hundred twenty-seven billion, five hundred sixty-three million, forty-two thousand, sixty-six".