66303105544075 has 6 divisors (see below), whose sum is σ = 82215850874684. Its totient is φ = 53042484435240.

The previous prime is 66303105544063. The next prime is 66303105544087. The reversal of 66303105544075 is 57044550130366.

It is an interprime number because it is at equal distance from previous prime (66303105544063) and next prime (66303105544087).

It is a de Polignac number, because none of the positive numbers 2^k-66303105544075 is a prime.

It is a super-2 number, since 2×66303105544075² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1326062110857 + ... + 1326062110906.

Almost surely, 2^{66303105544075} is an apocalyptic number.

66303105544075 is a deficient number, since it is larger than the sum of its proper divisors (15912745330609).

66303105544075 is a wasteful number, since it uses less digits than its factorization.

66303105544075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652124221773 (or 2652124221768 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 66303105544075 in words is "sixty-six trillion, three hundred three billion, one hundred five million, five hundred forty-four thousand, seventy-five".