66748006822 has 16 divisors (see below), whose sum is σ = 114430885632. Its totient is φ = 28604855880.

The previous prime is 66748006813. The next prime is 66748006823. The reversal of 66748006822 is 22860084766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66748006823) 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, 199473 + ... + 416275.

It is an arithmetic number, because the mean of its divisors is an integer number (7151930352).

Almost surely, 2^66748006822 is an apocalyptic number.

66748006822 is a deficient number, since it is larger than the sum of its proper divisors (47682878810).

66748006822 is a wasteful number, since it uses less digits than its factorization.

66748006822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238803.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 66748006822 in words is "sixty-six billion, seven hundred forty-eight million, six thousand, eight hundred twenty-two".