666062533 has 4 divisors (see below), whose sum is σ = 705242700. Its totient is φ = 626882368.

The previous prime is 666062519. The next prime is 666062539. The reversal of 666062533 is 335260666.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 607967649 + 58094884 = 24657^2 + 7622^2 .

It is a cyclic number.

It is not a de Polignac number, because 666062533 - 2⁹ = 666062021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 666062492 and 666062501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666062539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19590058 + ... + 19590091.

It is an arithmetic number, because the mean of its divisors is an integer number (176310675).

Almost surely, 2^666062533 is an apocalyptic number.

It is an amenable number.

666062533 is a deficient number, since it is larger than the sum of its proper divisors (39180167).

666062533 is a wasteful number, since it uses less digits than its factorization.

666062533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39180166.

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 666062533 is about 25808.1873249556. The cubic root of 666062533 is about 873.3165053022.

The spelling of 666062533 in words is "six hundred sixty-six million, sixty-two thousand, five hundred thirty-three".