5001010666161 has 16 divisors (see below), whose sum is σ = 6695119499328. Its totient is φ = 3320481881600.

The previous prime is 5001010666159. The next prime is 5001010666189. The reversal of 5001010666161 is 1616660101005.

It is a cyclic number.

It is not a de Polignac number, because 5001010666161 - 2¹ = 5001010666159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5001010666151) 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, 2695800 + ... + 4155641.

It is an arithmetic number, because the mean of its divisors is an integer number (418444968708).

Almost surely, 2^{5001010666161} is an apocalyptic number.

It is an amenable number.

5001010666161 is a deficient number, since it is larger than the sum of its proper divisors (1694108833167).

5001010666161 is a wasteful number, since it uses less digits than its factorization.

5001010666161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852432.

The product of its (nonzero) digits is 6480, while the sum is 33.

Adding to 5001010666161 its reverse (1616660101005), we get a palindrome (6617670767166).

The spelling of 5001010666161 in words is "five trillion, one billion, ten million, six hundred sixty-six thousand, one hundred sixty-one".