5516172665 has 16 divisors (see below), whose sum is σ = 7013267712. Its totient is φ = 4150696704.

The previous prime is 5516172659. The next prime is 5516172689. The reversal of 5516172665 is 5662716155.

It is a cyclic number.

It is not a de Polignac number, because 5516172665 - 2¹⁰ = 5516171641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118352 + ... + 158238.

It is an arithmetic number, because the mean of its divisors is an integer number (438329232).

Almost surely, 2^5516172665 is an apocalyptic number.

It is an amenable number.

5516172665 is a deficient number, since it is larger than the sum of its proper divisors (1497095047).

5516172665 is a wasteful number, since it uses less digits than its factorization.

5516172665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41536.

The product of its digits is 378000, while the sum is 44.

The square root of 5516172665 is about 74270.9409190432. The cubic root of 5516172665 is about 1766.9026303825.

The spelling of 5516172665 in words is "five billion, five hundred sixteen million, one hundred seventy-two thousand, six hundred sixty-five".