16008637008 has 160 divisors (see below), whose sum is σ = 53112600576. Its totient is φ = 4038465024.

The previous prime is 16008637003. The next prime is 16008637009. The reversal of 16008637008 is 80073680061.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16008637003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20791 + ... + 180137.

Almost surely, 2^16008637008 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 16008637008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26556300288).

16008637008 is an abundant number, since it is smaller than the sum of its proper divisors (37103963568).

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

16008637008 is a wasteful number, since it uses less digits than its factorization.

16008637008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159401 (or 159395 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 16008637008 in words is "sixteen billion, eight million, six hundred thirty-seven thousand, eight".