38993166057 has 32 divisors (see below), whose sum is σ = 54968647680. Its totient is φ = 24546858560.

The previous prime is 38993166053. The next prime is 38993166059. The reversal of 38993166057 is 75066139983.

It is a happy number.

38993166057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38993166057 - 2² = 38993166053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38993165988 and 38993166006.

It is not an unprimeable number, because it can be changed into a prime (38993166053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7451632 + ... + 7456862.

It is an arithmetic number, because the mean of its divisors is an integer number (1717770240).

Almost surely, 2^38993166057 is an apocalyptic number.

It is an amenable number.

38993166057 is a deficient number, since it is larger than the sum of its proper divisors (15975481623).

38993166057 is a wasteful number, since it uses less digits than its factorization.

38993166057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7133.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 38993166057 in words is "thirty-eight billion, nine hundred ninety-three million, one hundred sixty-six thousand, fifty-seven".