16913611008 has 432 divisors, whose sum is σ = 58130182656. Its totient is φ = 4629381120.

The previous prime is 16913611003. The next prime is 16913611009. The reversal of 16913611008 is 80011631961.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (16913611003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40174638 + ... + 40175058.

It is an arithmetic number, because the mean of its divisors is an integer number (134560608).

Almost surely, 2^16913611008 is an apocalyptic number.

16913611008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16913611008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29065091328).

16913611008 is an abundant number, since it is smaller than the sum of its proper divisors (41216571648).

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

16913611008 is a wasteful number, since it uses less digits than its factorization.

16913611008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 16913611008 in words is "sixteen billion, nine hundred thirteen million, six hundred eleven thousand, eight".