528140664701 has 8 divisors (see below), whose sum is σ = 569637884760. Its totient is φ = 486767875392.

The previous prime is 528140664683. The next prime is 528140664713. The reversal of 528140664701 is 107466041825.

It can be written as a sum of positive squares in 4 ways, for example, as 20269216900 + 507871447801 = 142370^2 + 712651^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528140664701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528140664781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31098866 + ... + 31115843.

It is an arithmetic number, because the mean of its divisors is an integer number (71204735595).

Almost surely, 2^528140664701 is an apocalyptic number.

It is an amenable number.

528140664701 is a deficient number, since it is larger than the sum of its proper divisors (41497220059).

528140664701 is a wasteful number, since it uses less digits than its factorization.

528140664701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62215375.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 528140664701 in words is "five hundred twenty-eight billion, one hundred forty million, six hundred sixty-four thousand, seven hundred one".