416668255504461 has 12 divisors (see below), whose sum is σ = 602013832255420. Its totient is φ = 277705136041920.

The previous prime is 416668255504453. The next prime is 416668255504477. The reversal of 416668255504461 is 164405552866614.

It can be written as a sum of positive squares in 2 ways, for example, as 396960595776900 + 19707659727561 = 19923870^2 + 4439331^2 .

It is not a de Polignac number, because 416668255504461 - 2³ = 416668255504453 is a prime.

It is a super-2 number, since 2×416668255504461² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416668255504561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6141710950 + ... + 6141778791.

Almost surely, 2^{416668255504461} is an apocalyptic number.

It is an amenable number.

416668255504461 is a deficient number, since it is larger than the sum of its proper divisors (185345576750959).

416668255504461 is a wasteful number, since it uses less digits than its factorization.

416668255504461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12283493516 (or 12283493513 counting only the distinct ones).

The product of its (nonzero) digits is 165888000, while the sum is 63.

The spelling of 416668255504461 in words is "four hundred sixteen trillion, six hundred sixty-eight billion, two hundred fifty-five million, five hundred four thousand, four hundred sixty-one".