656066 has 8 divisors (see below), whose sum is σ = 989184. Its totient is φ = 326340.

The previous prime is 656063. The next prime is 656077. The reversal of 656066 is 660656.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (656063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (123648).

2⁶⁵⁶⁰⁶⁶ is an apocalyptic number.

656066 is a deficient number, since it is larger than the sum of its proper divisors (333118).

656066 is a wasteful number, since it uses less digits than its factorization.

656066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696.

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

The square root of 656066 is about 809.9790120738. The cubic root of 656066 is about 86.8925435991.

The spelling of 656066 in words is "six hundred fifty-six thousand, sixty-six".