1165150066 has 16 divisors (see below), whose sum is σ = 1815609600. Its totient is φ = 560186640.

The previous prime is 1165150043. The next prime is 1165150067. The reversal of 1165150066 is 6600515611.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1165150067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50116 + ... + 69583.

It is an arithmetic number, because the mean of its divisors is an integer number (113475600).

Almost surely, 2^1165150066 is an apocalyptic number.

1165150066 is a deficient number, since it is larger than the sum of its proper divisors (650459534).

1165150066 is a wasteful number, since it uses less digits than its factorization.

1165150066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119889.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1165150066 is about 34134.2945730537. The cubic root of 1165150066 is about 1052.2702401300.

Adding to 1165150066 its reverse (6600515611), we get a palindrome (7765665677).

The spelling of 1165150066 in words is "one billion, one hundred sixty-five million, one hundred fifty thousand, sixty-six".