1668335000163 has 16 divisors (see below), whose sum is σ = 2440757158560. Its totient is φ = 1007296602624.

The previous prime is 1668335000153. The next prime is 1668335000177. The reversal of 1668335000163 is 3610005338661.

It is a happy number.

It is not a de Polignac number, because 1668335000163 - 2⁸ = 1668334999907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1668335000113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403562278 + ... + 403566411.

It is an arithmetic number, because the mean of its divisors is an integer number (152547322410).

Almost surely, 2^{1668335000163} is an apocalyptic number.

1668335000163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1668335000163 is a deficient number, since it is larger than the sum of its proper divisors (772422158397).

1668335000163 is a wasteful number, since it uses less digits than its factorization.

1668335000163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807128758.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 1668335000163 in words is "one trillion, six hundred sixty-eight billion, three hundred thirty-five million, one hundred sixty-three", and thus it is an aban number.