16316003620 has 96 divisors (see below), whose sum is σ = 39517632000. Its totient is φ = 5542938624.

The previous prime is 16316003597. The next prime is 16316003621. The reversal of 16316003620 is 2630061361.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (16316003621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12369321 + ... + 12370639.

It is an arithmetic number, because the mean of its divisors is an integer number (411642000).

Almost surely, 2^16316003620 is an apocalyptic number.

16316003620 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 16316003620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19758816000).

16316003620 is an abundant number, since it is smaller than the sum of its proper divisors (23201628380).

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

16316003620 is a wasteful number, since it uses less digits than its factorization.

16316003620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 16316003620 its reverse (2630061361), we get a palindrome (18946064981).

The spelling of 16316003620 in words is "sixteen billion, three hundred sixteen million, three thousand, six hundred twenty".