66263322624601 has 16 divisors (see below), whose sum is σ = 70557972848640. Its totient is φ = 62124089832000.

The previous prime is 66263322624581. The next prime is 66263322624619. The reversal of 66263322624601 is 10642622336266.

It is a cyclic number.

It is not a de Polignac number, because 66263322624601 - 2⁹ = 66263322624089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66263322625601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191227650 + ... + 191573851.

It is an arithmetic number, because the mean of its divisors is an integer number (4409873303040).

Almost surely, 2^{66263322624601} is an apocalyptic number.

It is an amenable number.

66263322624601 is a deficient number, since it is larger than the sum of its proper divisors (4294650224039).

66263322624601 is a wasteful number, since it uses less digits than its factorization.

66263322624601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382801704.

The product of its (nonzero) digits is 4478976, while the sum is 49.

The spelling of 66263322624601 in words is "sixty-six trillion, two hundred sixty-three billion, three hundred twenty-two million, six hundred twenty-four thousand, six hundred one".