2388213666 has 16 divisors (see below), whose sum is σ = 5307141600. Its totient is φ = 796071204.

The previous prime is 2388213589. The next prime is 2388213691. The reversal of 2388213666 is 6663128832.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22113036 + ... + 22113143.

It is an arithmetic number, because the mean of its divisors is an integer number (331696350).

Almost surely, 2^2388213666 is an apocalyptic number.

2388213666 is an abundant number, since it is smaller than the sum of its proper divisors (2918927934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2388213666 is a wasteful number, since it uses less digits than its factorization.

2388213666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44226190 (or 44226184 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 2388213666 is about 48869.3530343916. The cubic root of 2388213666 is about 1336.6705913267.

The spelling of 2388213666 in words is "two billion, three hundred eighty-eight million, two hundred thirteen thousand, six hundred sixty-six".