2163523534466 has 64 divisors (see below), whose sum is σ = 3766858874880. Its totient is φ = 912807455040.

The previous prime is 2163523534463. The next prime is 2163523534493. The reversal of 2163523534466 is 6644353253612.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2163523534463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638017631 + ... + 638021021.

It is an arithmetic number, because the mean of its divisors is an integer number (58857169920).

Almost surely, 2^{2163523534466} is an apocalyptic number.

2163523534466 is a deficient number, since it is larger than the sum of its proper divisors (1603335340414).

2163523534466 is a wasteful number, since it uses less digits than its factorization.

2163523534466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999.

The product of its digits is 9331200, while the sum is 50.

The spelling of 2163523534466 in words is "two trillion, one hundred sixty-three billion, five hundred twenty-three million, five hundred thirty-four thousand, four hundred sixty-six".