481606663 has 2 divisors, whose sum is σ = 481606664. Its totient is φ = 481606662.

The previous prime is 481606639. The next prime is 481606681. The reversal of 481606663 is 366606184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481606663 - 2¹³ = 481598471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481606613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240803331 + 240803332.

It is an arithmetic number, because the mean of its divisors is an integer number (240803332).

Almost surely, 2^481606663 is an apocalyptic number.

481606663 is a deficient number, since it is larger than the sum of its proper divisors (1).

481606663 is an equidigital number, since it uses as much as digits as its factorization.

481606663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 481606663 is about 21945.5385670983. The cubic root of 481606663 is about 783.8461488113.

The spelling of 481606663 in words is "four hundred eighty-one million, six hundred six thousand, six hundred sixty-three".