938553940666 has 8 divisors (see below), whose sum is σ = 1407836284704. Its totient is φ = 469275179100.

The previous prime is 938553940609. The next prime is 938553940711. The reversal of 938553940666 is 666049355839.

938553940666 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 junction number, because it is equal to n+sod(n) for n = 938553940598 and 938553940607.

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, 98910 + ... + 1373641.

It is an arithmetic number, because the mean of its divisors is an integer number (175979535588).

Almost surely, 2^938553940666 is an apocalyptic number.

938553940666 is a deficient number, since it is larger than the sum of its proper divisors (469282344038).

938553940666 is a wasteful number, since it uses less digits than its factorization.

938553940666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791236.

The product of its (nonzero) digits is 125971200, while the sum is 64.

The spelling of 938553940666 in words is "nine hundred thirty-eight billion, five hundred fifty-three million, nine hundred forty thousand, six hundred sixty-six".