66300806355 has 16 divisors (see below), whose sum is σ = 121235760384. Its totient is φ = 30308940000.

The previous prime is 66300806353. The next prime is 66300806357. The reversal of 66300806355 is 55360800366.

It is an interprime number because it is at equal distance from previous prime (66300806353) and next prime (66300806357).

It is not a de Polignac number, because 66300806355 - 2¹ = 66300806353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66300806353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315718021 + ... + 315718230.

It is an arithmetic number, because the mean of its divisors is an integer number (7577235024).

Almost surely, 2^66300806355 is an apocalyptic number.

66300806355 is a deficient number, since it is larger than the sum of its proper divisors (54934954029).

66300806355 is a wasteful number, since it uses less digits than its factorization.

66300806355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631436266.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 66300806355 in words is "sixty-six billion, three hundred million, eight hundred six thousand, three hundred fifty-five".