2663666047 has 8 divisors (see below), whose sum is σ = 3061009952. Its totient is φ = 2270527200.

The previous prime is 2663666039. The next prime is 2663666059. The reversal of 2663666047 is 7406663662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2663666047 - 2³ = 2663666039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2663665988 and 2663666006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663666017) 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, 1049904 + ... + 1052437.

It is an arithmetic number, because the mean of its divisors is an integer number (382626244).

Almost surely, 2^2663666047 is an apocalyptic number.

2663666047 is a deficient number, since it is larger than the sum of its proper divisors (397343905).

2663666047 is a wasteful number, since it uses less digits than its factorization.

2663666047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102529.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The square root of 2663666047 is about 51610.7163968880. The cubic root of 2663666047 is about 1386.2022251218.

The spelling of 2663666047 in words is "two billion, six hundred sixty-three million, six hundred sixty-six thousand, forty-seven".