38923834666 has 8 divisors (see below), whose sum is σ = 58389190560. Its totient is φ = 19460771148.

The previous prime is 38923834637. The next prime is 38923834669. The reversal of 38923834666 is 66643832983.

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

It is a super-2 number, since 2×38923834666² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38923834666.

It is not an unprimeable number, because it can be changed into a prime (38923834669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529996 + ... + 598951.

It is an arithmetic number, because the mean of its divisors is an integer number (7298648820).

Almost surely, 2^38923834666 is an apocalyptic number.

38923834666 is a deficient number, since it is larger than the sum of its proper divisors (19465355894).

38923834666 is a wasteful number, since it uses less digits than its factorization.

38923834666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146188.

The product of its digits is 26873856, while the sum is 58.

The spelling of 38923834666 in words is "thirty-eight billion, nine hundred twenty-three million, eight hundred thirty-four thousand, six hundred sixty-six".