16214180781630 has 512 divisors, whose sum is σ = 45531056406528. Its totient is φ = 3662674329600.

The previous prime is 16214180781551. The next prime is 16214180781647. The reversal of 16214180781630 is 3618708141261.

It is a self number, because there is not a number n which added to its sum of digits gives 16214180781630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 20975653924 + ... + 20975654696.

It is an arithmetic number, because the mean of its divisors is an integer number (88927844544).

Almost surely, 2^{16214180781630} is an apocalyptic number.

16214180781630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16214180781630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22765528203264).

16214180781630 is an abundant number, since it is smaller than the sum of its proper divisors (29316875624898).

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

16214180781630 is a wasteful number, since it uses less digits than its factorization.

16214180781630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 16214180781630 in words is "sixteen trillion, two hundred fourteen billion, one hundred eighty million, seven hundred eighty-one thousand, six hundred thirty".