2004166663 has 16 divisors (see below), whose sum is σ = 2112687360. Its totient is φ = 1897530624.

The previous prime is 2004166657. The next prime is 2004166699. The reversal of 2004166663 is 3666614002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004166663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004166643) 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, 1060023 + ... + 1061911.

It is an arithmetic number, because the mean of its divisors is an integer number (132042960).

Almost surely, 2^2004166663 is an apocalyptic number.

2004166663 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2004166663 is a deficient number, since it is larger than the sum of its proper divisors (108520697).

2004166663 is a wasteful number, since it uses less digits than its factorization.

2004166663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2004166663 is about 44767.9200209257. The cubic root of 2004166663 is about 1260.7953874010.

The spelling of 2004166663 in words is "two billion, four million, one hundred sixty-six thousand, six hundred sixty-three".