216700062001 has 2 divisors, whose sum is σ = 216700062002. Its totient is φ = 216700062000.

The previous prime is 216700061993. The next prime is 216700062049. The reversal of 216700062001 is 100260007612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216504090000 + 195972001 = 465300^2 + 13999^2 .

It is a cyclic number.

It is not a de Polignac number, because 216700062001 - 2³ = 216700061993 is a prime.

It is not a weakly prime, because it can be changed into another prime (216700062701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108350031000 + 108350031001.

It is an arithmetic number, because the mean of its divisors is an integer number (108350031001).

Almost surely, 2^216700062001 is an apocalyptic number.

It is an amenable number.

216700062001 is a deficient number, since it is larger than the sum of its proper divisors (1).

216700062001 is an equidigital number, since it uses as much as digits as its factorization.

216700062001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 216700062001 its reverse (100260007612), we get a palindrome (316960069613).

The spelling of 216700062001 in words is "two hundred sixteen billion, seven hundred million, sixty-two thousand, one".