662560000 has 180 divisors, whose sum is σ = 1709705844. Its totient is φ = 256000000.

The previous prime is 662559949. The next prime is 662560007. The reversal of 662560000 is 65266.

It can be written as a sum of positive squares in 10 ways, for example, as 503194624 + 159365376 = 22432^2 + 12624^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662560007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6559950 + ... + 6560050.

Almost surely, 2^662560000 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 662560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854852922).

662560000 is an abundant number, since it is smaller than the sum of its proper divisors (1047145844).

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

662560000 is an equidigital number, since it uses as much as digits as its factorization.

662560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 149 counting only the distinct ones).

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

The square root of 662560000 is about 25740.2408691139. The cubic root of 662560000 is about 871.7830170215.

The spelling of 662560000 in words is "six hundred sixty-two million, five hundred sixty thousand".