16000000016 has 160 divisors (see below), whose sum is σ = 43813862400. Its totient is φ = 5451287040.

The previous prime is 15999999991. The next prime is 16000000039. The reversal of 16000000016 is 61000000061.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278015 + ... + 330593.

It is an arithmetic number, because the mean of its divisors is an integer number (273836640).

Almost surely, 2^16000000016 is an apocalyptic number.

16000000016 is a gapful number since it is divisible by the number (16) 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 16000000016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21906931200).

16000000016 is an abundant number, since it is smaller than the sum of its proper divisors (27813862384).

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

16000000016 is a wasteful number, since it uses less digits than its factorization.

16000000016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52637 (or 52631 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 16000000016 its reverse (61000000061), we get a palindrome (77000000077).

The spelling of 16000000016 in words is "sixteen billion, sixteen", and thus it is an aban number and an uban number.