2127827666 has 16 divisors (see below), whose sum is σ = 3203928000. Its totient is φ = 1059859248.

The previous prime is 2127827641. The next prime is 2127827671. The reversal of 2127827666 is 6667287212.

It is a self number, because there is not a number n which added to its sum of digits gives 2127827666.

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, 1012685 + ... + 1014783.

It is an arithmetic number, because the mean of its divisors is an integer number (200245500).

Almost surely, 2^2127827666 is an apocalyptic number.

2127827666 is a deficient number, since it is larger than the sum of its proper divisors (1076100334).

2127827666 is a wasteful number, since it uses less digits than its factorization.

2127827666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its digits is 677376, while the sum is 47.

The square root of 2127827666 is about 46128.3824342454. The cubic root of 2127827666 is about 1286.2107955599.

The spelling of 2127827666 in words is "two billion, one hundred twenty-seven million, eight hundred twenty-seven thousand, six hundred sixty-six".