38555166018 has 32 divisors (see below), whose sum is σ = 82637640576. Its totient is φ = 11960707968.

The previous prime is 38555166011. The next prime is 38555166019. The reversal of 38555166018 is 81066155583.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38555166011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3770371 + ... + 3780582.

It is an arithmetic number, because the mean of its divisors is an integer number (2582426268).

Almost surely, 2^38555166018 is an apocalyptic number.

38555166018 is an abundant number, since it is smaller than the sum of its proper divisors (44082474558).

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

38555166018 is a wasteful number, since it uses less digits than its factorization.

38555166018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7551018.

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 38555166018 in words is "thirty-eight billion, five hundred fifty-five million, one hundred sixty-six thousand, eighteen".