166032745101 has 6 divisors (see below), whose sum is σ = 239825076270. Its totient is φ = 110688496728.

The previous prime is 166032745061. The next prime is 166032745121. The reversal of 166032745101 is 101547230661.

166032745101 is a `hidden beast` number, since 1 + 6 + 603 + 2 + 7 + 45 + 1 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106472342601 + 59560402500 = 326301^2 + 244050^2 .

It is not a de Polignac number, because 166032745101 - 2⁷ = 166032744973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166032745121) 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, 9224041386 + ... + 9224041403.

It is an arithmetic number, because the mean of its divisors is an integer number (39970846045).

Almost surely, 2^166032745101 is an apocalyptic number.

It is an amenable number.

166032745101 is a deficient number, since it is larger than the sum of its proper divisors (73792331169).

166032745101 is a wasteful number, since it uses less digits than its factorization.

166032745101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18448082795 (or 18448082792 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 166032745101 its reverse (101547230661), we get a palindrome (267579975762).

The spelling of 166032745101 in words is "one hundred sixty-six billion, thirty-two million, seven hundred forty-five thousand, one hundred one".