66450316546653 has 8 divisors (see below), whose sum is σ = 95415839143968. Its totient is φ = 40892502490224.

The previous prime is 66450316546633. The next prime is 66450316546661. The reversal of 66450316546653 is 35664561305466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66450316546653 - 2³⁴ = 66433136677469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66450316546633) 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, 851927135175 + ... + 851927135252.

It is an arithmetic number, because the mean of its divisors is an integer number (11926979892996).

Almost surely, 2^{66450316546653} is an apocalyptic number.

It is an amenable number.

66450316546653 is a deficient number, since it is larger than the sum of its proper divisors (28965522597315).

66450316546653 is a wasteful number, since it uses less digits than its factorization.

66450316546653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703854270443.

The product of its (nonzero) digits is 139968000, while the sum is 60.

The spelling of 66450316546653 in words is "sixty-six trillion, four hundred fifty billion, three hundred sixteen million, five hundred forty-six thousand, six hundred fifty-three".