66563082 has 12 divisors (see below), whose sum is σ = 144220050. Its totient is φ = 22187688.

The previous prime is 66563059. The next prime is 66563083. The reversal of 66563082 is 28036566.

It can be written as a sum of positive squares in only one way, i.e., 46662561 + 19900521 = 6831^2 + 4461^2 .

It is not an unprimeable number, because it can be changed into a prime (66563083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1848957 + ... + 1848992.

Almost surely, 2^66563082 is an apocalyptic number.

66563082 is an abundant number, since it is smaller than the sum of its proper divisors (77656968).

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

66563082 is a wasteful number, since it uses less digits than its factorization.

66563082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697957 (or 3697954 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 66563082 is about 8158.6201039146. The cubic root of 66563082 is about 405.2700165543.

The spelling of 66563082 in words is "sixty-six million, five hundred sixty-three thousand, eighty-two".