852016641 has 16 divisors (see below), whose sum is σ = 1303256064. Its totient is φ = 485012304.

The previous prime is 852016637. The next prime is 852016643. The reversal of 852016641 is 146610258.

It is not a de Polignac number, because 852016641 - 2² = 852016637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (852016643) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 71611 + ... + 82656.

It is an arithmetic number, because the mean of its divisors is an integer number (81453504).

Almost surely, 2^852016641 is an apocalyptic number.

It is an amenable number.

852016641 is a deficient number, since it is larger than the sum of its proper divisors (451239423).

852016641 is a wasteful number, since it uses less digits than its factorization.

852016641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154540.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 852016641 is about 29189.3240928940. The cubic root of 852016641 is about 948.0167827594.

Adding to 852016641 its reverse (146610258), we get a palindrome (998626899).

The spelling of 852016641 in words is "eight hundred fifty-two million, sixteen thousand, six hundred forty-one".