4838166981905 has 16 divisors (see below), whose sum is σ = 5859215144640. Its totient is φ = 3834925566912.

The previous prime is 4838166981847. The next prime is 4838166982001. The reversal of 4838166981905 is 5091896618384.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4838166981905 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27044762 + ... + 27223068.

It is an arithmetic number, because the mean of its divisors is an integer number (366200946540).

Almost surely, 2^{4838166981905} is an apocalyptic number.

It is an amenable number.

4838166981905 is a deficient number, since it is larger than the sum of its proper divisors (1021048162735).

4838166981905 is a wasteful number, since it uses less digits than its factorization.

4838166981905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228208.

The product of its (nonzero) digits is 89579520, while the sum is 68.

The spelling of 4838166981905 in words is "four trillion, eight hundred thirty-eight billion, one hundred sixty-six million, nine hundred eighty-one thousand, nine hundred five".