8646449196 has 192 divisors, whose sum is σ = 26300252160. Its totient is φ = 2145312000.

The previous prime is 8646449191. The next prime is 8646449257. The reversal of 8646449196 is 6919446468.

It is a happy number.

It is a super-2 number, since 2×8646449196² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8646449191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2260966 + ... + 2264786.

It is an arithmetic number, because the mean of its divisors is an integer number (136980480).

Almost surely, 2^8646449196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8646449196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13150126080).

8646449196 is an abundant number, since it is smaller than the sum of its proper divisors (17653802964).

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

8646449196 is a wasteful number, since it uses less digits than its factorization.

8646449196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956 (or 3954 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The square root of 8646449196 is about 92986.2849887014. The cubic root of 8646449196 is about 2052.4815632012.

The spelling of 8646449196 in words is "eight billion, six hundred forty-six million, four hundred forty-nine thousand, one hundred ninety-six".