481920668 has 12 divisors (see below), whose sum is σ = 870566592. Its totient is φ = 233187360.

The previous prime is 481920661. The next prime is 481920689. The reversal of 481920668 is 866029184.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481920661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943105 + ... + 1943352.

It is an arithmetic number, because the mean of its divisors is an integer number (72547216).

Almost surely, 2^481920668 is an apocalyptic number.

It is an amenable number.

481920668 is a deficient number, since it is larger than the sum of its proper divisors (388645924).

481920668 is a wasteful number, since it uses less digits than its factorization.

481920668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886492 (or 3886490 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 481920668 is about 21952.6915889601. The cubic root of 481920668 is about 784.0164663174.

The spelling of 481920668 in words is "four hundred eighty-one million, nine hundred twenty thousand, six hundred sixty-eight".