66486068466 has 128 divisors (see below), whose sum is σ = 144027942912. Its totient is φ = 20419776000.

The previous prime is 66486068423. The next prime is 66486068483.

It is a happy number.

66486068466 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109531935 + ... + 109532541.

It is an arithmetic number, because the mean of its divisors is an integer number (1125218304).

Almost surely, 2^66486068466 is an apocalyptic number.

66486068466 is an abundant number, since it is smaller than the sum of its proper divisors (77541874446).

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

66486068466 is a wasteful number, since it uses less digits than its factorization.

66486068466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 47775744, while the sum is 60.

The spelling of 66486068466 in words is "sixty-six billion, four hundred eighty-six million, sixty-eight thousand, four hundred sixty-six".