8185753668 has 24 divisors (see below), whose sum is σ = 19102251168. Its totient is φ = 2728276096.

The previous prime is 8185753601. The next prime is 8185753669. The reversal of 8185753668 is 8663575818.

It is a super-2 number, since 2×8185753668² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8185753669) 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, 88855 + ... + 155777.

It is an arithmetic number, because the mean of its divisors is an integer number (795927132).

Almost surely, 2^8185753668 is an apocalyptic number.

It is an amenable number.

8185753668 is an abundant number, since it is smaller than the sum of its proper divisors (10916497500).

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

8185753668 is a wasteful number, since it uses less digits than its factorization.

8185753668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77123 (or 77121 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 57.

The square root of 8185753668 is about 90475.1549763801. The cubic root of 8185753668 is about 2015.3611872368.

The spelling of 8185753668 in words is "eight billion, one hundred eighty-five million, seven hundred fifty-three thousand, six hundred sixty-eight".