662884560 has 480 divisors, whose sum is σ = 2585751168. Its totient is φ = 156764160.

The previous prime is 662884493. The next prime is 662884561. The reversal of 662884560 is 65488266.

662884560 is a `hidden beast` number, since 6 + 6 + 2 + 8 + 84 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662884561) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10866930 + ... + 10866990.

Almost surely, 2^662884560 is an apocalyptic number.

662884560 is a gapful number since it is divisible by the number (60) 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 662884560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1292875584).

662884560 is an abundant number, since it is smaller than the sum of its proper divisors (1922866608).

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

662884560 is a wasteful number, since it uses less digits than its factorization.

662884560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 662884560 is about 25746.5446225314. The cubic root of 662884560 is about 871.9253436071.

The spelling of 662884560 in words is "six hundred sixty-two million, eight hundred eighty-four thousand, five hundred sixty".