16216134220 has 48 divisors (see below), whose sum is σ = 40007364768. Its totient is φ = 5443176960.

The previous prime is 16216134211. The next prime is 16216134223. The reversal of 16216134220 is 2243161261.

It is not an unprimeable number, because it can be changed into a prime (16216134223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832129 + ... + 2837848.

It is an arithmetic number, because the mean of its divisors is an integer number (833486766).

Almost surely, 2^16216134220 is an apocalyptic number.

16216134220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16216134220 is an abundant number, since it is smaller than the sum of its proper divisors (23791230548).

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

16216134220 is a wasteful number, since it uses less digits than its factorization.

16216134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670010 (or 5670008 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 16216134220 its reverse (2243161261), we get a palindrome (18459295481).

The spelling of 16216134220 in words is "sixteen billion, two hundred sixteen million, one hundred thirty-four thousand, two hundred twenty".