16311146500 has 96 divisors (see below), whose sum is σ = 39248157312. Its totient is φ = 5872400000.

The previous prime is 16311146497. The next prime is 16311146503. The reversal of 16311146500 is 564111361.

It is an interprime number because it is at equal distance from previous prime (16311146497) and next prime (16311146503).

It is not an unprimeable number, because it can be changed into a prime (16311146503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540819 + ... + 570181.

It is an arithmetic number, because the mean of its divisors is an integer number (408834972).

Almost surely, 2^16311146500 is an apocalyptic number.

16311146500 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 16311146500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19624078656).

16311146500 is an abundant number, since it is smaller than the sum of its proper divisors (22937010812).

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

16311146500 is a wasteful number, since it uses less digits than its factorization.

16311146500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29494 (or 29482 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 16311146500 its reverse (564111361), we get a palindrome (16875257861).

The spelling of 16311146500 in words is "sixteen billion, three hundred eleven million, one hundred forty-six thousand, five hundred".