66344265435003 has 16 divisors (see below), whose sum is σ = 89668018573056. Its totient is φ = 43629054765920.

The previous prime is 66344265434999. The next prime is 66344265435079. The reversal of 66344265435003 is 30053456244366.

It is a cyclic number.

It is not a de Polignac number, because 66344265435003 - 2² = 66344265434999 is a prime.

It is a super-2 number, since 2×66344265435003² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66344265475003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505368276 + ... + 505499537.

It is an arithmetic number, because the mean of its divisors is an integer number (5604251160816).

Almost surely, 2^{66344265435003} is an apocalyptic number.

66344265435003 is a deficient number, since it is larger than the sum of its proper divisors (23323753138053).

66344265435003 is a wasteful number, since it uses less digits than its factorization.

66344265435003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010868114.

The product of its (nonzero) digits is 18662400, while the sum is 51.

The spelling of 66344265435003 in words is "sixty-six trillion, three hundred forty-four billion, two hundred sixty-five million, four hundred thirty-five thousand, three".