5666145 has 16 divisors (see below), whose sum is σ = 9096000. Its totient is φ = 3011904.

The previous prime is 5666131. The next prime is 5666189. The reversal of 5666145 is 5416665.

It is not a de Polignac number, because 5666145 - 2¹² = 5662049 is a prime.

It is a super-2 number, since 2×5666145² = 64210398322050, which contains 22 as substring.

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, 7107 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (568500).

Almost surely, 2^5666145 is an apocalyptic number.

It is an amenable number.

5666145 is a deficient number, since it is larger than the sum of its proper divisors (3429855).

5666145 is a wasteful number, since it uses less digits than its factorization.

5666145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264.

The product of its digits is 21600, while the sum is 33.

The square root of 5666145 is about 2380.3665684092. The cubic root of 5666145 is about 178.2772370413.

The spelling of 5666145 in words is "five million, six hundred sixty-six thousand, one hundred forty-five".