66898782832262 has 16 divisors (see below), whose sum is σ = 101561150663280. Its totient is φ = 33045097391232.

The previous prime is 66898782832241. The next prime is 66898782832283. The reversal of 66898782832262 is 26223828789866.

66898782832262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66898782832241) and next prime (66898782832283).

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3587087 + ... + 12110522.

It is an arithmetic number, because the mean of its divisors is an integer number (6347571916455).

Almost surely, 2^{66898782832262} is an apocalyptic number.

66898782832262 is a deficient number, since it is larger than the sum of its proper divisors (34662367831018).

66898782832262 is a wasteful number, since it uses less digits than its factorization.

66898782832262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723367.

The product of its digits is 2675441664, while the sum is 77.

The spelling of 66898782832262 in words is "sixty-six trillion, eight hundred ninety-eight billion, seven hundred eighty-two million, eight hundred thirty-two thousand, two hundred sixty-two".