216672504634180 has 192 divisors, whose sum is σ = 534944222991360. Its totient is φ = 72170580787200.

The previous prime is 216672504634147. The next prime is 216672504634237. The reversal of 216672504634180 is 81436405276612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1801146114 + ... + 1801266406.

It is an arithmetic number, because the mean of its divisors is an integer number (2786167828080).

Almost surely, 2^{216672504634180} is an apocalyptic number.

216672504634180 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 216672504634180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267472111495680).

216672504634180 is an abundant number, since it is smaller than the sum of its proper divisors (318271718357180).

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

216672504634180 is a wasteful number, since it uses less digits than its factorization.

216672504634180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121670 (or 121668 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 216672504634180 in words is "two hundred sixteen trillion, six hundred seventy-two billion, five hundred four million, six hundred thirty-four thousand, one hundred eighty".