601566 has 16 divisors (see below), whose sum is σ = 1375104. Its totient is φ = 171864.

The previous prime is 601543. The next prime is 601589. The reversal of 601566 is 665106.

It is an interprime number because it is at equal distance from previous prime (601543) and next prime (601589).

It is a congruent number.

It is an unprimeable number.

601566 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7120 + ... + 7203.

It is an arithmetic number, because the mean of its divisors is an integer number (85944).

2⁶⁰¹⁵⁶⁶ is an apocalyptic number.

601566 is an abundant number, since it is smaller than the sum of its proper divisors (773538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

601566 is a wasteful number, since it uses less digits than its factorization.

601566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 601566 is about 775.6068591754. The cubic root of 601566 is about 84.4165814250.

The spelling of 601566 in words is "six hundred one thousand, five hundred sixty-six".