66455322355466 has 128 divisors (see below), whose sum is σ = 115245172224000. Its totient is φ = 28446187714560.

The previous prime is 66455322355451. The next prime is 66455322355493.

It is a happy number.

66455322355466 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66455322355399 and 66455322355408.

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, 6311640890 + ... + 6311651418.

It is an arithmetic number, because the mean of its divisors is an integer number (900352908000).

Almost surely, 2^{66455322355466} is an apocalyptic number.

66455322355466 is a deficient number, since it is larger than the sum of its proper divisors (48789849868534).

66455322355466 is a wasteful number, since it uses less digits than its factorization.

66455322355466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11364.

The product of its digits is 466560000, while the sum is 62.

The spelling of 66455322355466 in words is "sixty-six trillion, four hundred fifty-five billion, three hundred twenty-two million, three hundred fifty-five thousand, four hundred sixty-six".