5660066 has 4 divisors (see below), whose sum is σ = 8490102. Its totient is φ = 2830032.

The previous prime is 5660059. The next prime is 5660071. The reversal of 5660066 is 6600665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4748041 + 912025 = 2179^2 + 955^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415015 + ... + 1415018.

Almost surely, 2^5660066 is an apocalyptic number.

5660066 is a deficient number, since it is larger than the sum of its proper divisors (2830036).

5660066 is a wasteful number, since it uses less digits than its factorization.

5660066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830035.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 5660066 is about 2379.0893215682. The cubic root of 5660066 is about 178.2134585155.

The spelling of 5660066 in words is "five million, six hundred sixty thousand, sixty-six".