2666048403 has 32 divisors (see below), whose sum is σ = 3804192000. Its totient is φ = 1655894016.

The previous prime is 2666048323. The next prime is 2666048417. The reversal of 2666048403 is 3048406662.

It is not a de Polignac number, because 2666048403 - 2¹² = 2666044307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2666048303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1867576 + ... + 1869002.

It is an arithmetic number, because the mean of its divisors is an integer number (118881000).

Almost surely, 2^2666048403 is an apocalyptic number.

2666048403 is a deficient number, since it is larger than the sum of its proper divisors (1138143597).

2666048403 is a wasteful number, since it uses less digits than its factorization.

2666048403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971.

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 2666048403 is about 51633.7912902006. The cubic root of 2666048403 is about 1386.6153703968.

The spelling of 2666048403 in words is "two billion, six hundred sixty-six million, forty-eight thousand, four hundred three".