655066 has 8 divisors (see below), whose sum is σ = 990720. Its totient is φ = 324828.

The previous prime is 655043. The next prime is 655069. The reversal of 655066 is 660556.

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

It is a super-2 number, since 2×655066² = 858222928712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (655069) 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, 1036 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (123840).

2⁶⁵⁵⁰⁶⁶ is an apocalyptic number.

655066 is a deficient number, since it is larger than the sum of its proper divisors (335654).

655066 is a wasteful number, since it uses less digits than its factorization.

655066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 655066 is about 809.3614767210. The cubic root of 655066 is about 86.8483728758.

The spelling of 655066 in words is "six hundred fifty-five thousand, sixty-six".