1165021418933 has 16 divisors (see below), whose sum is σ = 1263086179200. Its totient is φ = 1071243243840.

The previous prime is 1165021418903. The next prime is 1165021418941. The reversal of 1165021418933 is 3398141205611.

It is a cyclic number.

It is not a de Polignac number, because 1165021418933 - 2⁸ = 1165021418677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165021418903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3660923 + ... + 3966408.

It is an arithmetic number, because the mean of its divisors is an integer number (78942886200).

Almost surely, 2^{1165021418933} is an apocalyptic number.

It is an amenable number.

1165021418933 is a deficient number, since it is larger than the sum of its proper divisors (98064760267).

1165021418933 is a wasteful number, since it uses less digits than its factorization.

1165021418933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627612.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 1165021418933 in words is "one trillion, one hundred sixty-five billion, twenty-one million, four hundred eighteen thousand, nine hundred thirty-three".