66329293063 has 16 divisors (see below), whose sum is σ = 72598632480. Its totient is φ = 60100185600.

The previous prime is 66329293039. The next prime is 66329293067. The reversal of 66329293063 is 36039292366.

It is a cyclic number.

It is not a de Polignac number, because 66329293063 - 2¹⁷ = 66329161991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66329292998 and 66329293016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66329293067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4330723 + ... + 4346011.

It is an arithmetic number, because the mean of its divisors is an integer number (4537414530).

Almost surely, 2^66329293063 is an apocalyptic number.

66329293063 is a deficient number, since it is larger than the sum of its proper divisors (6269339417).

66329293063 is a wasteful number, since it uses less digits than its factorization.

66329293063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16578.

The product of its (nonzero) digits is 1889568, while the sum is 49.

The spelling of 66329293063 in words is "sixty-six billion, three hundred twenty-nine million, two hundred ninety-three thousand, sixty-three".