6021660552217 has 8 divisors (see below), whose sum is σ = 6412730655816. Its totient is φ = 5634685423872.

The previous prime is 6021660552209. The next prime is 6021660552221. The reversal of 6021660552217 is 7122550661206.

It can be written as a sum of positive squares in 4 ways, for example, as 1985495173776 + 4036165378441 = 1409076^2 + 2009021^2 .

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 6021660552217 - 2³ = 6021660552209 is a prime.

It is a super-2 number, since 2×6021660552217² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6021660552317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023740778 + ... + 1023746659.

It is an arithmetic number, because the mean of its divisors is an integer number (801591331977).

Almost surely, 2^{6021660552217} is an apocalyptic number.

It is an amenable number.

6021660552217 is a deficient number, since it is larger than the sum of its proper divisors (391070103599).

6021660552217 is a wasteful number, since it uses less digits than its factorization.

6021660552217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047487627.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 6021660552217 in words is "six trillion, twenty-one billion, six hundred sixty million, five hundred fifty-two thousand, two hundred seventeen".