5166173155 has 16 divisors (see below), whose sum is σ = 7283221344. Its totient is φ = 3468199680.

The previous prime is 5166173153. The next prime is 5166173171. The reversal of 5166173155 is 5513716615.

It is a happy number.

It is not a de Polignac number, because 5166173155 - 2¹ = 5166173153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5166173153) 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, 3611994 + ... + 3613423.

It is an arithmetic number, because the mean of its divisors is an integer number (455201334).

Almost surely, 2^5166173155 is an apocalyptic number.

5166173155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5166173155 is a deficient number, since it is larger than the sum of its proper divisors (2117048189).

5166173155 is a wasteful number, since it uses less digits than its factorization.

5166173155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225446.

The product of its digits is 94500, while the sum is 40.

The square root of 5166173155 is about 71876.0958525155. The cubic root of 5166173155 is about 1728.7133510713.

The spelling of 5166173155 in words is "five billion, one hundred sixty-six million, one hundred seventy-three thousand, one hundred fifty-five".