7438808066 has 16 divisors (see below), whose sum is σ = 11764872960. Its totient is φ = 3517830000.

The previous prime is 7438808029. The next prime is 7438808093. The reversal of 7438808066 is 6608088347.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138185 + ... + 184316.

It is an arithmetic number, because the mean of its divisors is an integer number (735304560).

Almost surely, 2^7438808066 is an apocalyptic number.

7438808066 is a deficient number, since it is larger than the sum of its proper divisors (4326064894).

7438808066 is a wasteful number, since it uses less digits than its factorization.

7438808066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323129.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 7438808066 is about 86248.5250076777. The cubic root of 7438808066 is about 1952.0957582651.

The spelling of 7438808066 in words is "seven billion, four hundred thirty-eight million, eight hundred eight thousand, sixty-six".