5666146 has 4 divisors (see below), whose sum is σ = 8499222. Its totient is φ = 2833072.

The previous prime is 5666131. The next prime is 5666189. The reversal of 5666146 is 6416665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6416665 = 5 ⋅1283333.

It can be written as a sum of positive squares in only one way, i.e., 4644025 + 1022121 = 2155^2 + 1011^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416535 + ... + 1416538.

Almost surely, 2^5666146 is an apocalyptic number.

5666146 is a deficient number, since it is larger than the sum of its proper divisors (2833076).

5666146 is a wasteful number, since it uses less digits than its factorization.

5666146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833075.

The product of its digits is 25920, while the sum is 34.

The square root of 5666146 is about 2380.3667784608. The cubic root of 5666146 is about 178.2772475292.

The spelling of 5666146 in words is "five million, six hundred sixty-six thousand, one hundred forty-six".