16000000002 has 192 divisors, whose sum is σ = 43482216960. Its totient is φ = 4151347200.

The previous prime is 15999999991. The next prime is 16000000039. The reversal of 16000000002 is 20000000061.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5125002 + ... + 5128122.

It is an arithmetic number, because the mean of its divisors is an integer number (226469880).

Almost surely, 2^16000000002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16000000002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21741108480).

16000000002 is an abundant number, since it is smaller than the sum of its proper divisors (27482216958).

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

16000000002 is a wasteful number, since it uses less digits than its factorization.

16000000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249 (or 3246 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 16000000002 its reverse (20000000061), we get a palindrome (36000000063).

The spelling of 16000000002 in words is "sixteen billion, two", and thus it is an aban number and an uban number.