100666050016 has 144 divisors (see below), whose sum is σ = 246189767040. Its totient is φ = 40310645760.

The previous prime is 100666049999. The next prime is 100666050031. The reversal of 100666050016 is 610050666001.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 100666050016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1373926 + ... + 1445338.

It is an arithmetic number, because the mean of its divisors is an integer number (1709651160).

Almost surely, 2^100666050016 is an apocalyptic number.

100666050016 is a gapful number since it is divisible by the number (16) 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 100666050016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123094883520).

100666050016 is an abundant number, since it is smaller than the sum of its proper divisors (145523717024).

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

100666050016 is a wasteful number, since it uses less digits than its factorization.

100666050016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71497 (or 71482 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 100666050016 in words is "one hundred billion, six hundred sixty-six million, fifty thousand, sixteen".