5166665 has 16 divisors (see below), whose sum is σ = 7252608. Its totient is φ = 3459456.

The previous prime is 5166661. The next prime is 5166671. The reversal of 5166665 is 5666615.

It is not a de Polignac number, because 5166665 - 2² = 5166661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5166661) 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, 212 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (453288).

Almost surely, 2^5166665 is an apocalyptic number.

It is an amenable number.

5166665 is a deficient number, since it is larger than the sum of its proper divisors (2085943).

5166665 is a wasteful number, since it uses less digits than its factorization.

5166665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488.

The product of its digits is 32400, while the sum is 35.

The square root of 5166665 is about 2273.0299162132. The cubic root of 5166665 is about 172.8768209991.

The spelling of 5166665 in words is "five million, one hundred sixty-six thousand, six hundred sixty-five".