6216616201 has 8 divisors (see below), whose sum is σ = 6328806984. Its totient is φ = 6104757120.

The previous prime is 6216616193. The next prime is 6216616207. The reversal of 6216616201 is 1026166126.

It can be written as a sum of positive squares in 4 ways, for example, as 898560576 + 5318055625 = 29976^2 + 72925^2 .

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 6216616201 - 2³ = 6216616193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6216616207) 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, 44950 + ... + 120223.

It is an arithmetic number, because the mean of its divisors is an integer number (791100873).

Almost surely, 2^6216616201 is an apocalyptic number.

6216616201 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6216616201 is a deficient number, since it is larger than the sum of its proper divisors (112190783).

6216616201 is a wasteful number, since it uses less digits than its factorization.

6216616201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165851.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6216616201 is about 78845.5211220016. The cubic root of 6216616201 is about 1838.7302401550.

The spelling of 6216616201 in words is "six billion, two hundred sixteen million, six hundred sixteen thousand, two hundred one".