601656 has 64 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 174720.

The previous prime is 601651. The next prime is 601669. The reversal of 601656 is 656106.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601651) by changing a digit.

601656 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 15 ways as a sum of consecutive naturals, for example, 11326 + ... + 11378.

It is an arithmetic number, because the mean of its divisors is an integer number (26730).

2⁶⁰¹⁶⁵⁶ is an apocalyptic number.

601656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 601656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855360).

601656 is an abundant number, since it is smaller than the sum of its proper divisors (1109064).

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

601656 is a wasteful number, since it uses less digits than its factorization.

601656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 112 counting only the distinct ones).

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

The square root of 601656 is about 775.6648760902. The cubic root of 601656 is about 84.4207910565.

The spelling of 601656 in words is "six hundred one thousand, six hundred fifty-six".