108640613016 has 448 divisors, whose sum is σ = 338694468000. Its totient is φ = 32643336960.

The previous prime is 108640612987. The next prime is 108640613023. The reversal of 108640613016 is 610316046801.

108640613016 is a `hidden beast` number, since 1 + 0 + 8 + 640 + 6 + 1 + 3 + 0 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 781587075 + ... + 781587213.

Almost surely, 2^108640613016 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 108640613016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169347234000).

108640613016 is an abundant number, since it is smaller than the sum of its proper divisors (230053854984).

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

108640613016 is an equidigital number, since it uses as much as digits as its factorization.

108640613016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 108640613016 its reverse (610316046801), we get a palindrome (718956659817).

The spelling of 108640613016 in words is "one hundred eight billion, six hundred forty million, six hundred thirteen thousand, sixteen".