66064052 has 6 divisors (see below), whose sum is σ = 115612098. Its totient is φ = 33032024.

The previous prime is 66064049. The next prime is 66064087. The reversal of 66064052 is 25046066.

66064052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54257956 + 11806096 = 7366^2 + 3436^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8258003 + ... + 8258010.

It is an arithmetic number, because the mean of its divisors is an integer number (19268683).

Almost surely, 2^66064052 is an apocalyptic number.

It is an amenable number.

66064052 is a deficient number, since it is larger than the sum of its proper divisors (49548046).

66064052 is a wasteful number, since it uses less digits than its factorization.

66064052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16516017 (or 16516015 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 66064052 is about 8127.9795767460. The cubic root of 66064052 is about 404.2546918675.

The spelling of 66064052 in words is "sixty-six million, sixty-four thousand, fifty-two", and thus it is an eban number.