5166161718 has 32 divisors (see below), whose sum is σ = 10682357760. Its totient is φ = 1663889280.

The previous prime is 5166161713. The next prime is 5166161723. The reversal of 5166161718 is 8171616615.

It is an interprime number because it is at equal distance from previous prime (5166161713) and next prime (5166161723).

It is a self number, because there is not a number n which added to its sum of digits gives 5166161718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166161713) 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, 98878 + ... + 141806.

It is an arithmetic number, because the mean of its divisors is an integer number (333823680).

Almost surely, 2^5166161718 is an apocalyptic number.

5166161718 is an abundant number, since it is smaller than the sum of its proper divisors (5516196042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5166161718 is a wasteful number, since it uses less digits than its factorization.

5166161718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43612.

The product of its digits is 60480, while the sum is 42.

The square root of 5166161718 is about 71876.0162919454. The cubic root of 5166161718 is about 1728.7120753812.

The spelling of 5166161718 in words is "five billion, one hundred sixty-six million, one hundred sixty-one thousand, seven hundred eighteen".