5166666165 has 8 divisors (see below), whose sum is σ = 8266665888. Its totient is φ = 2755555280.

The previous prime is 5166666139. The next prime is 5166666191. The reversal of 5166666165 is 5616666615.

It is an interprime number because it is at equal distance from previous prime (5166666139) and next prime (5166666191).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5166666165 - 2¹⁸ = 5166404021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172222191 + ... + 172222220.

It is an arithmetic number, because the mean of its divisors is an integer number (1033333236).

Almost surely, 2^5166666165 is an apocalyptic number.

It is an amenable number.

5166666165 is a deficient number, since it is larger than the sum of its proper divisors (3099999723).

5166666165 is a wasteful number, since it uses less digits than its factorization.

5166666165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344444419.

The product of its digits is 1166400, while the sum is 48.

The square root of 5166666165 is about 71879.5253531908. The cubic root of 5166666165 is about 1728.7683399276.

The spelling of 5166666165 in words is "five billion, one hundred sixty-six million, six hundred sixty-six thousand, one hundred sixty-five".