658066 has 8 divisors (see below), whose sum is σ = 998460. Its totient is φ = 325248.

The previous prime is 658057. The next prime is 658069. The reversal of 658066 is 660856.

It can be written as a sum of positive squares in 2 ways, for example, as 555025 + 103041 = 745^2 + 321^2 .

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

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (658069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671 + ... + 2026.

2⁶⁵⁸⁰⁶⁶ is an apocalyptic number.

658066 is a deficient number, since it is larger than the sum of its proper divisors (340394).

658066 is a wasteful number, since it uses less digits than its factorization.

658066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 658066 is about 811.2126724848. The cubic root of 658066 is about 86.9807505745.

The spelling of 658066 in words is "six hundred fifty-eight thousand, sixty-six".