16660106101 has 6 divisors (see below), whose sum is σ = 16873669302. Its totient is φ = 16449212520.

The previous prime is 16660106081. The next prime is 16660106107. The reversal of 16660106101 is 10160106661.

It can be written as a sum of positive squares in only one way, i.e., 13688766001 + 2971340100 = 116999^2 + 54510^2 .

It is not a de Polignac number, because 16660106101 - 2²⁹ = 16123235189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16660106101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660106107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1328490 + ... + 1340971.

It is an arithmetic number, because the mean of its divisors is an integer number (2812278217).

Almost surely, 2^16660106101 is an apocalyptic number.

It is an amenable number.

16660106101 is a deficient number, since it is larger than the sum of its proper divisors (213563201).

16660106101 is an frugal number, since it uses more digits than its factorization.

16660106101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669619 (or 2669540 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 16660106101 in words is "sixteen billion, six hundred sixty million, one hundred six thousand, one hundred one".