6211816201 has 16 divisors (see below), whose sum is σ = 6613125120. Its totient is φ = 5814581760.

The previous prime is 6211816159. The next prime is 6211816213. The reversal of 6211816201 is 1026181126.

It is a cyclic number.

It is not a de Polignac number, because 6211816201 - 2⁷ = 6211816073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6211816201.

It is not an unprimeable number, because it can be changed into a prime (6211816291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4316040 + ... + 4317478.

It is an arithmetic number, because the mean of its divisors is an integer number (413320320).

Almost surely, 2^6211816201 is an apocalyptic number.

It is an amenable number.

6211816201 is a deficient number, since it is larger than the sum of its proper divisors (401308919).

6211816201 is a wasteful number, since it uses less digits than its factorization.

6211816201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 6211816201 is about 78815.0759753488. The cubic root of 6211816201 is about 1838.2568755781.

Adding to 6211816201 its reverse (1026181126), we get a palindrome (7237997327).

The spelling of 6211816201 in words is "six billion, two hundred eleven million, eight hundred sixteen thousand, two hundred one".