66748280162510 has 64 divisors (see below), whose sum is σ = 124605046656000. Its totient is φ = 25713349264512.

The previous prime is 66748280162507. The next prime is 66748280162533. The reversal of 66748280162510 is 1526108284766.

66748280162510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 225582641 + ... + 225878339.

It is an arithmetic number, because the mean of its divisors is an integer number (1946953854000).

Almost surely, 2^{66748280162510} is an apocalyptic number.

66748280162510 is a deficient number, since it is larger than the sum of its proper divisors (57856766493490).

66748280162510 is a wasteful number, since it uses less digits than its factorization.

66748280162510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297705.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 66748280162510 in words is "sixty-six trillion, seven hundred forty-eight billion, two hundred eighty million, one hundred sixty-two thousand, five hundred ten".