6021650661001 has 2 divisors, whose sum is σ = 6021650661002. Its totient is φ = 6021650661000.

The previous prime is 6021650660939. The next prime is 6021650661017. The reversal of 6021650661001 is 1001660561206.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5916788678025 + 104861982976 = 2432445^2 + 323824^2 .

It is a cyclic number.

It is not a de Polignac number, because 6021650661001 - 2¹⁹ = 6021650136713 is a prime.

It is not a weakly prime, because it can be changed into another prime (6021650661071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010825330500 + 3010825330501.

It is an arithmetic number, because the mean of its divisors is an integer number (3010825330501).

Almost surely, 2^{6021650661001} is an apocalyptic number.

It is an amenable number.

6021650661001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6021650661001 is an equidigital number, since it uses as much as digits as its factorization.

6021650661001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 6021650661001 in words is "six trillion, twenty-one billion, six hundred fifty million, six hundred sixty-one thousand, one".