2666143403 has 32 divisors (see below), whose sum is σ = 3528122880. Its totient is φ = 1968040800.

The previous prime is 2666143397. The next prime is 2666143421. The reversal of 2666143403 is 3043416662.

It is not a de Polignac number, because 2666143403 - 2⁴ = 2666143387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666143433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169493 + ... + 184553.

It is an arithmetic number, because the mean of its divisors is an integer number (110253840).

Almost surely, 2^2666143403 is an apocalyptic number.

2666143403 is a deficient number, since it is larger than the sum of its proper divisors (861979477).

2666143403 is a wasteful number, since it uses less digits than its factorization.

2666143403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15120 (or 15098 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 2666143403 is about 51634.7112222001. The cubic root of 2666143403 is about 1386.6318400773.

The spelling of 2666143403 in words is "two billion, six hundred sixty-six million, one hundred forty-three thousand, four hundred three".