5166115623 has 12 divisors (see below), whose sum is σ = 7463595048. Its totient is φ = 3443418000.

The previous prime is 5166115609. The next prime is 5166115673. The reversal of 5166115623 is 3265116615.

5166115623 is a `hidden beast` number, since 5 + 16 + 6 + 1 + 15 + 623 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-5166115623 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166115673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2665 + ... + 101682.

It is an arithmetic number, because the mean of its divisors is an integer number (621966254).

Almost surely, 2^5166115623 is an apocalyptic number.

5166115623 is a deficient number, since it is larger than the sum of its proper divisors (2297479425).

5166115623 is a wasteful number, since it uses less digits than its factorization.

5166115623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109854 (or 109851 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 5166115623 is about 71875.6956348946. The cubic root of 5166115623 is about 1728.7069338967.

The spelling of 5166115623 in words is "five billion, one hundred sixty-six million, one hundred fifteen thousand, six hundred twenty-three".