8506161852 has 48 divisors (see below), whose sum is σ = 20724802560. Its totient is φ = 2710257088.

The previous prime is 8506161809. The next prime is 8506161857. The reversal of 8506161852 is 2581616058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8506161857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427174 + ... + 446642.

It is an arithmetic number, because the mean of its divisors is an integer number (431766720).

Almost surely, 2^8506161852 is an apocalyptic number.

It is an amenable number.

8506161852 is an abundant number, since it is smaller than the sum of its proper divisors (12218640708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8506161852 is a wasteful number, since it uses less digits than its factorization.

8506161852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21082 (or 21080 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 8506161852 is about 92228.8558532523. The cubic root of 8506161852 is about 2041.3205799722.

The spelling of 8506161852 in words is "eight billion, five hundred six million, one hundred sixty-one thousand, eight hundred fifty-two".