662560 has 48 divisors (see below), whose sum is σ = 1619352. Its totient is φ = 256000.

The previous prime is 662551. The next prime is 662567. The reversal of 662560 is 65266.

It can be written as a sum of positive squares in 4 ways, for example, as 535824 + 126736 = 732^2 + 356^2 .

It is not an unprimeable number, because it can be changed into a prime (662567) by changing a digit.

662560 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, 6510 + ... + 6610.

2⁶⁶²⁵⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809676).

662560 is an abundant number, since it is smaller than the sum of its proper divisors (956792).

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

662560 is a wasteful number, since it uses less digits than its factorization.

662560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 662560 is about 813.9778866775. The cubic root of 662560 is about 87.1783017022.

The spelling of 662560 in words is "six hundred sixty-two thousand, five hundred sixty".