8407663616 has 264 divisors, whose sum is σ = 20538844704. Its totient is φ = 3399024640.

The previous prime is 8407663577. The next prime is 8407663643. The reversal of 8407663616 is 6163667048.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101297111 + ... + 101297193.

Almost surely, 2^8407663616 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 8407663616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10269422352).

8407663616 is an abundant number, since it is smaller than the sum of its proper divisors (12131181088).

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

8407663616 is a wasteful number, since it uses less digits than its factorization.

8407663616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 8407663616 is about 91693.3128205105. The cubic root of 8407663616 is about 2033.4107218657.

The spelling of 8407663616 in words is "eight billion, four hundred seven million, six hundred sixty-three thousand, six hundred sixteen".