66682053 has 24 divisors (see below), whose sum is σ = 97930560. Its totient is φ = 43718400.

The previous prime is 66682051. The next prime is 66682061. The reversal of 66682053 is 35028666.

It is not a de Polignac number, because 66682053 - 2¹ = 66682051 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66681999 and 66682017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66682051) 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 23 ways as a sum of consecutive naturals, for example, 188725 + ... + 189077.

It is an arithmetic number, because the mean of its divisors is an integer number (4080440).

Almost surely, 2^66682053 is an apocalyptic number.

It is an amenable number.

66682053 is a deficient number, since it is larger than the sum of its proper divisors (31248507).

66682053 is a wasteful number, since it uses less digits than its factorization.

66682053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 646 counting only the distinct ones).

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

The square root of 66682053 is about 8165.9079715608. The cubic root of 66682053 is about 405.5113249011.

The spelling of 66682053 in words is "sixty-six million, six hundred eighty-two thousand, fifty-three".