66528041 has 8 divisors (see below), whose sum is σ = 67636800. Its totient is φ = 65428560.

The previous prime is 66528037. The next prime is 66528047. The reversal of 66528041 is 14082566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66528041 - 2² = 66528037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66527989 and 66528007.

It is not an unprimeable number, because it can be changed into a prime (66528047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12956 + ... + 17346.

It is an arithmetic number, because the mean of its divisors is an integer number (8454600).

Almost surely, 2^66528041 is an apocalyptic number.

It is an amenable number.

66528041 is a deficient number, since it is larger than the sum of its proper divisors (1108759).

66528041 is a wasteful number, since it uses less digits than its factorization.

66528041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 66528041 is about 8156.4723379657. The cubic root of 66528041 is about 405.1988882405.

The spelling of 66528041 in words is "sixty-six million, five hundred twenty-eight thousand, forty-one".