2390006666 has 8 divisors (see below), whose sum is σ = 3596688480. Its totient is φ = 1191110508.

The previous prime is 2390006617. The next prime is 2390006683. The reversal of 2390006666 is 6666000932.

2390006666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1945646 + ... + 1946873.

It is an arithmetic number, because the mean of its divisors is an integer number (449586060).

Almost surely, 2^2390006666 is an apocalyptic number.

2390006666 is a deficient number, since it is larger than the sum of its proper divisors (1206681814).

2390006666 is a wasteful number, since it uses less digits than its factorization.

2390006666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892828.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 2390006666 is about 48887.6944230345. The cubic root of 2390006666 is about 1337.0050185287.

The spelling of 2390006666 in words is "two billion, three hundred ninety million, six thousand, six hundred sixty-six".