16308208136 has 64 divisors (see below), whose sum is σ = 35165448000. Its totient is φ = 7012258560.

The previous prime is 16308208061. The next prime is 16308208151. The reversal of 16308208136 is 63180280361.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 16308208136.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178570 + ... + 1192326.

It is an arithmetic number, because the mean of its divisors is an integer number (549460125).

Almost surely, 2^16308208136 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 16308208136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17582724000).

16308208136 is an abundant number, since it is smaller than the sum of its proper divisors (18857239864).

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

16308208136 is a wasteful number, since it uses less digits than its factorization.

16308208136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14502 (or 14498 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

Adding to 16308208136 its reverse (63180280361), we get a palindrome (79488488497).

The spelling of 16308208136 in words is "sixteen billion, three hundred eight million, two hundred eight thousand, one hundred thirty-six".