66777359484096 has 168 divisors, whose sum is σ = 207189143040240. Its totient is φ = 21087587008512.

The previous prime is 66777359484091. The next prime is 66777359484149. The reversal of 66777359484096 is 69048495377766.

66777359484096 is a `hidden beast` number, since 6 + 67 + 7 + 73 + 5 + 9 + 484 + 0 + 9 + 6 = 666.

66777359484096 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66777359484091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52900161 + ... + 54147776.

Almost surely, 2^{66777359484096} is an apocalyptic number.

It is an amenable number.

66777359484096 is an abundant number, since it is smaller than the sum of its proper divisors (140411783556144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66777359484096 is a wasteful number, since it uses less digits than its factorization.

66777359484096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107047996 (or 107047961 counting only the distinct ones).

The product of its (nonzero) digits is 11522165760, while the sum is 81.

The spelling of 66777359484096 in words is "sixty-six trillion, seven hundred seventy-seven billion, three hundred fifty-nine million, four hundred eighty-four thousand, ninety-six".