16116116116500 has 288 divisors, whose sum is σ = 52764411004032. Its totient is φ = 4294334880000.

The previous prime is 16116116116489. The next prime is 16116116116523. The reversal of 16116116116500 is 561161161161.

It is a happy number.

16116116116500 is a `hidden beast` number, since 1 + 61 + 16 + 11 + 61 + 16 + 500 = 666.

It is a super-2 number, since 2×16116116116500² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 160451295 + ... + 160551705.

Almost surely, 2^{16116116116500} is an apocalyptic number.

16116116116500 is a gapful number since it is divisible by the number (10) 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 16116116116500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26382205502016).

16116116116500 is an abundant number, since it is smaller than the sum of its proper divisors (36648294887532).

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

16116116116500 is a wasteful number, since it uses less digits than its factorization.

16116116116500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101766 (or 101742 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

Adding to 16116116116500 its reverse (561161161161), we get a palindrome (16677277277661).

The spelling of 16116116116500 in words is "sixteen trillion, one hundred sixteen billion, one hundred sixteen million, one hundred sixteen thousand, five hundred".