1165002040066 has 16 divisors (see below), whose sum is σ = 1750720156128. Its totient is φ = 581428789600.

The previous prime is 1165002040049. The next prime is 1165002040067. The reversal of 1165002040066 is 6600402005611.

It is not an unprimeable number, because it can be changed into a prime (1165002040067) 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, 27319101 + ... + 27361711.

It is an arithmetic number, because the mean of its divisors is an integer number (109420009758).

Almost surely, 2^{1165002040066} is an apocalyptic number.

1165002040066 is a deficient number, since it is larger than the sum of its proper divisors (585718116062).

1165002040066 is a wasteful number, since it uses less digits than its factorization.

1165002040066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67457.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 1165002040066 its reverse (6600402005611), we get a palindrome (7765404045677).

The spelling of 1165002040066 in words is "one trillion, one hundred sixty-five billion, two million, forty thousand, sixty-six".