216006306101 has 8 divisors (see below), whose sum is σ = 221851667640. Its totient is φ = 210161331648.

The previous prime is 216006306073. The next prime is 216006306127. The reversal of 216006306101 is 101603600612.

It can be written as a sum of positive squares in 4 ways, for example, as 69413806225 + 146592499876 = 263465^2 + 382874^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216006306101 - 2⁶ = 216006306037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216006306181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305635 + ... + 1461743.

It is an arithmetic number, because the mean of its divisors is an integer number (27731458455).

Almost surely, 2^216006306101 is an apocalyptic number.

It is an amenable number.

216006306101 is a deficient number, since it is larger than the sum of its proper divisors (5845361539).

216006306101 is a wasteful number, since it uses less digits than its factorization.

216006306101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193543.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 216006306101 its reverse (101603600612), we get a palindrome (317609906713).

The spelling of 216006306101 in words is "two hundred sixteen billion, six million, three hundred six thousand, one hundred one".