66452045395 has 16 divisors (see below), whose sum is σ = 85239024192. Its totient is φ = 49610007040.

The previous prime is 66452045369. The next prime is 66452045417. The reversal of 66452045395 is 59354025466.

It is not a de Polignac number, because 66452045395 - 2⁷ = 66452045267 is a prime.

It is a super-3 number, since 3×66452045395³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7042162 + ... + 7051591.

It is an arithmetic number, because the mean of its divisors is an integer number (5327439012).

Almost surely, 2^66452045395 is an apocalyptic number.

66452045395 is a deficient number, since it is larger than the sum of its proper divisors (18786978797).

66452045395 is a wasteful number, since it uses less digits than its factorization.

66452045395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14093822.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 66452045395 in words is "sixty-six billion, four hundred fifty-two million, forty-five thousand, three hundred ninety-five".