4466414655666 has 12 divisors (see below), whose sum is σ = 9677231753982. Its totient is φ = 1488804885216.

The previous prime is 4466414655649. The next prime is 4466414655701. The reversal of 4466414655666 is 6665564146644.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4142222210025 + 324192445641 = 2035245^2 + 569379^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124067073751 + ... + 124067073786.

Almost surely, 2^{4466414655666} is an apocalyptic number.

4466414655666 is an abundant number, since it is smaller than the sum of its proper divisors (5210817098316).

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

4466414655666 is a wasteful number, since it uses less digits than its factorization.

4466414655666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248134147545 (or 248134147542 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 63.

The spelling of 4466414655666 in words is "four trillion, four hundred sixty-six billion, four hundred fourteen million, six hundred fifty-five thousand, six hundred sixty-six".