66682052 has 12 divisors (see below), whose sum is σ = 117204780. Its totient is φ = 33194976.

The previous prime is 66682051. The next prime is 66682061. The reversal of 66682052 is 25028666.

It can be written as a sum of positive squares in 2 ways, for example, as 52649536 + 14032516 = 7256^2 + 3746^2 .

It is not an unprimeable number, because it can be changed into a prime (66682051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35483 + ... + 37314.

It is an arithmetic number, because the mean of its divisors is an integer number (9767065).

Almost surely, 2^66682052 is an apocalyptic number.

It is an amenable number.

66682052 is a deficient number, since it is larger than the sum of its proper divisors (50522728).

66682052 is a wasteful number, since it uses less digits than its factorization.

66682052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73030 (or 73028 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 66682052 is about 8165.9079103306. The cubic root of 66682052 is about 405.5113228741.

The spelling of 66682052 in words is "sixty-six million, six hundred eighty-two thousand, fifty-two".