66240522054154 has 32 divisors (see below), whose sum is σ = 117694186853760. Its totient is φ = 27368121872448.

The previous prime is 66240522054131. The next prime is 66240522054169. The reversal of 66240522054154 is 45145022504266.

It is a happy number.

66240522054154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 586537372 + ... + 586650295.

It is an arithmetic number, because the mean of its divisors is an integer number (3677943339180).

Almost surely, 2^{66240522054154} is an apocalyptic number.

66240522054154 is a deficient number, since it is larger than the sum of its proper divisors (51453664799606).

66240522054154 is a wasteful number, since it uses less digits than its factorization.

66240522054154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173187822.

The product of its (nonzero) digits is 2304000, while the sum is 46.

The spelling of 66240522054154 in words is "sixty-six trillion, two hundred forty billion, five hundred twenty-two million, fifty-four thousand, one hundred fifty-four".