527334806661721 has 16 divisors (see below), whose sum is σ = 563886679811328. Its totient is φ = 491397688288000.

The previous prime is 527334806661703. The next prime is 527334806661737. The reversal of 527334806661721 is 127166608433725.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-527334806661721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 527334806661721.

It is not an unprimeable number, because it can be changed into a prime (527334806661781) 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 15 ways as a sum of consecutive naturals, for example, 265645776 + ... + 267623518.

It is an arithmetic number, because the mean of its divisors is an integer number (35242917488208).

Almost surely, 2^{527334806661721} is an apocalyptic number.

It is an amenable number.

527334806661721 is a deficient number, since it is larger than the sum of its proper divisors (36551873149607).

527334806661721 is a wasteful number, since it uses less digits than its factorization.

527334806661721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133152.

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 527334806661721 in words is "five hundred twenty-seven trillion, three hundred thirty-four billion, eight hundred six million, six hundred sixty-one thousand, seven hundred twenty-one".