66035335651 has 2 divisors, whose sum is σ = 66035335652. Its totient is φ = 66035335650.

The previous prime is 66035335571. The next prime is 66035335661. The reversal of 66035335651 is 15653353066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66035335651 - 2¹⁹ = 66034811363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66035335598 and 66035335607.

It is not a weakly prime, because it can be changed into another prime (66035335661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33017667825 + 33017667826.

It is an arithmetic number, because the mean of its divisors is an integer number (33017667826).

Almost surely, 2^66035335651 is an apocalyptic number.

66035335651 is a deficient number, since it is larger than the sum of its proper divisors (1).

66035335651 is an equidigital number, since it uses as much as digits as its factorization.

66035335651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729000, while the sum is 43.

The spelling of 66035335651 in words is "sixty-six billion, thirty-five million, three hundred thirty-five thousand, six hundred fifty-one".