5166138155 has 32 divisors (see below), whose sum is σ = 6496459200. Its totient is φ = 3938844672.

The previous prime is 5166138119. The next prime is 5166138157. The reversal of 5166138155 is 5518316615.

It is a cyclic number.

It is not a de Polignac number, because 5166138155 - 2⁶ = 5166138091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5166138157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6717611 + ... + 6718379.

It is an arithmetic number, because the mean of its divisors is an integer number (203014350).

Almost surely, 2^5166138155 is an apocalyptic number.

5166138155 is a deficient number, since it is larger than the sum of its proper divisors (1330321045).

5166138155 is a wasteful number, since it uses less digits than its factorization.

5166138155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343.

The product of its digits is 108000, while the sum is 41.

The square root of 5166138155 is about 71875.8523775545. The cubic root of 5166138155 is about 1728.7094471434.

The spelling of 5166138155 in words is "five billion, one hundred sixty-six million, one hundred thirty-eight thousand, one hundred fifty-five".