461207585668 has 6 divisors (see below), whose sum is σ = 807113274926. Its totient is φ = 230603792832.

The previous prime is 461207585633. The next prime is 461207585669. The reversal of 461207585668 is 866585702164.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 383646449664 + 77561136004 = 619392^2 + 278498^2 .

It is not an unprimeable number, because it can be changed into a prime (461207585669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57650948205 + ... + 57650948212.

Almost surely, 2^461207585668 is an apocalyptic number.

It is an amenable number.

461207585668 is a deficient number, since it is larger than the sum of its proper divisors (345905689258).

461207585668 is a wasteful number, since it uses less digits than its factorization.

461207585668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115301896421 (or 115301896419 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 461207585668 in words is "four hundred sixty-one billion, two hundred seven million, five hundred eighty-five thousand, six hundred sixty-eight".