66366240003031 has 8 divisors (see below), whose sum is σ = 66602791054800. Its totient is φ = 66130027125120.

The previous prime is 66366240002981. The next prime is 66366240003047. The reversal of 66366240003031 is 13030004266366.

It is a happy number.

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 66366240003031 - 2¹⁹ = 66366239478743 is a prime.

It is a super-2 number, since 2×66366240003031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66366240003071) 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, 84150265 + ... + 84935266.

It is an arithmetic number, because the mean of its divisors is an integer number (8325348881850).

Almost surely, 2^{66366240003031} is an apocalyptic number.

66366240003031 is a deficient number, since it is larger than the sum of its proper divisors (236551051769).

66366240003031 is a wasteful number, since it uses less digits than its factorization.

66366240003031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169086929.

The product of its (nonzero) digits is 279936, while the sum is 40.

Adding to 66366240003031 its reverse (13030004266366), we get a palindrome (79396244269397).

The spelling of 66366240003031 in words is "sixty-six trillion, three hundred sixty-six billion, two hundred forty million, three thousand, thirty-one".