1160565666 has 32 divisors (see below), whose sum is σ = 2515627968. Its totient is φ = 354818880.

The previous prime is 1160565661. The next prime is 1160565691. The reversal of 1160565666 is 6665650611.

It is not an unprimeable number, because it can be changed into a prime (1160565661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35140 + ... + 59631.

It is an arithmetic number, because the mean of its divisors is an integer number (78613374).

Almost surely, 2^1160565666 is an apocalyptic number.

1160565666 is an abundant number, since it is smaller than the sum of its proper divisors (1355062302).

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

1160565666 is a wasteful number, since it uses less digits than its factorization.

1160565666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94946.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1160565666 is about 34067.0759825377. The cubic root of 1160565666 is about 1050.8883384706. Note that the first 3 decimals are identical.

The spelling of 1160565666 in words is "one billion, one hundred sixty million, five hundred sixty-five thousand, six hundred sixty-six".