1155165066 has 24 divisors (see below), whose sum is σ = 2730390624. Its totient is φ = 350049960.

The previous prime is 1155165061. The next prime is 1155165073. The reversal of 1155165066 is 6605615511.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1155165066.

It is not an unprimeable number, because it can be changed into a prime (1155165061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2916886 + ... + 2917281.

It is an arithmetic number, because the mean of its divisors is an integer number (113766276).

Almost surely, 2^1155165066 is an apocalyptic number.

1155165066 is an abundant number, since it is smaller than the sum of its proper divisors (1575225558).

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

1155165066 is a wasteful number, since it uses less digits than its factorization.

1155165066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834186 (or 5834183 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 1155165066 is about 33987.7193409620. The cubic root of 1155165066 is about 1049.2557283448.

The spelling of 1155165066 in words is "one billion, one hundred fifty-five million, one hundred sixty-five thousand, sixty-six".