216484473100 has 288 divisors, whose sum is σ = 578554970112. Its totient is φ = 68739840000.

The previous prime is 216484473097. The next prime is 216484473109. The reversal of 216484473100 is 1374484612.

It is a super-2 number, since 2×216484473100² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216484473109) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47151805 + ... + 47156395.

It is an arithmetic number, because the mean of its divisors is an integer number (2008871424).

Almost surely, 2^216484473100 is an apocalyptic number.

216484473100 is a gapful number since it is divisible by the number (20) 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 216484473100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289277485056).

216484473100 is an abundant number, since it is smaller than the sum of its proper divisors (362070497012).

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

216484473100 is a wasteful number, since it uses less digits than its factorization.

216484473100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4730 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 216484473100 in words is "two hundred sixteen billion, four hundred eighty-four million, four hundred seventy-three thousand, one hundred".