665585034282 has 256 divisors, whose sum is σ = 1817568460800. Its totient is φ = 176305559040.

The previous prime is 665585034281. The next prime is 665585034299. The reversal of 665585034282 is 282430585566.

665585034282 is a `hidden beast` number, since 6 + 6 + 5 + 58 + 503 + 4 + 2 + 82 = 666.

It is a super-2 number, since 2×665585034282² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (665585034281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 164056398 + ... + 164060454.

It is an arithmetic number, because the mean of its divisors is an integer number (7099876800).

Almost surely, 2^665585034282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 665585034282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908784230400).

665585034282 is an abundant number, since it is smaller than the sum of its proper divisors (1151983426518).

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

665585034282 is a wasteful number, since it uses less digits than its factorization.

665585034282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578 (or 4572 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 665585034282 in words is "six hundred sixty-five billion, five hundred eighty-five million, thirty-four thousand, two hundred eighty-two".