16655615100102 has 128 divisors (see below), whose sum is σ = 38712485468160. Its totient is φ = 4724140354560.

The previous prime is 16655615100079. The next prime is 16655615100139. The reversal of 16655615100102 is 20100151655661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71284873 + ... + 71518139.

It is an arithmetic number, because the mean of its divisors is an integer number (302441292720).

Almost surely, 2^{16655615100102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16655615100102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19356242734080).

16655615100102 is an abundant number, since it is smaller than the sum of its proper divisors (22056870368058).

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

16655615100102 is a wasteful number, since it uses less digits than its factorization.

16655615100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233986.

The product of its (nonzero) digits is 54000, while the sum is 39.

Adding to 16655615100102 its reverse (20100151655661), we get a palindrome (36755766755763).

The spelling of 16655615100102 in words is "sixteen trillion, six hundred fifty-five billion, six hundred fifteen million, one hundred thousand, one hundred two".