5166561107 has 4 divisors (see below), whose sum is σ = 5166745200. Its totient is φ = 5166377016.

The previous prime is 5166561083. The next prime is 5166561109. The reversal of 5166561107 is 7011656615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5166561107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5166561109) 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, 40223 + ... + 109320.

It is an arithmetic number, because the mean of its divisors is an integer number (1291686300).

Almost surely, 2^5166561107 is an apocalyptic number.

5166561107 is a deficient number, since it is larger than the sum of its proper divisors (184093).

5166561107 is a wasteful number, since it uses less digits than its factorization.

5166561107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184092.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 5166561107 is about 71878.7945572267. The cubic root of 5166561107 is about 1728.7566223668.

The spelling of 5166561107 in words is "five billion, one hundred sixty-six million, five hundred sixty-one thousand, one hundred seven".