66501360663324 has 24 divisors (see below), whose sum is σ = 155170263900288. Its totient is φ = 22167059885040.

The previous prime is 66501360663307. The next prime is 66501360663337. The reversal of 66501360663324 is 42336606310566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2831922 + ... + 11875289.

It is an arithmetic number, because the mean of its divisors is an integer number (6465427662512).

Almost surely, 2^{66501360663324} is an apocalyptic number.

It is an amenable number.

66501360663324 is an abundant number, since it is smaller than the sum of its proper divisors (88668903236964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66501360663324 is a wasteful number, since it uses less digits than its factorization.

66501360663324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15084025 (or 15084023 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 51.

The spelling of 66501360663324 in words is "sixty-six trillion, five hundred one billion, three hundred sixty million, six hundred sixty-three thousand, three hundred twenty-four".