66036465444031 has 2 divisors, whose sum is σ = 66036465444032. Its totient is φ = 66036465444030.

The previous prime is 66036465444029. The next prime is 66036465444121. The reversal of 66036465444031 is 13044456463066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66036465444031 - 2¹ = 66036465444029 is a prime.

It is a super-2 number, since 2×66036465444031² (a number of 28 digits) contains 22 as substring.

Together with 66036465444029, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66036465444031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66036465444011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33018232722015 + 33018232722016.

It is an arithmetic number, because the mean of its divisors is an integer number (33018232722016).

Almost surely, 2^{66036465444031} is an apocalyptic number.

66036465444031 is a deficient number, since it is larger than the sum of its proper divisors (1).

66036465444031 is an equidigital number, since it uses as much as digits as its factorization.

66036465444031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 52.

The spelling of 66036465444031 in words is "sixty-six trillion, thirty-six billion, four hundred sixty-five million, four hundred forty-four thousand, thirty-one".