904041663 has 16 divisors (see below), whose sum is σ = 1406899200. Its totient is φ = 505603296.

The previous prime is 904041661. The next prime is 904041673. The reversal of 904041663 is 366140409.

It is not a de Polignac number, because 904041663 - 2¹ = 904041661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904041661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456988 + ... + 458961.

It is an arithmetic number, because the mean of its divisors is an integer number (87931200).

Almost surely, 2^904041663 is an apocalyptic number.

904041663 is a deficient number, since it is larger than the sum of its proper divisors (502857537).

904041663 is a wasteful number, since it uses less digits than its factorization.

904041663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916006.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 904041663 is about 30067.2855941470. The cubic root of 904041663 is about 966.9324794305.

The spelling of 904041663 in words is "nine hundred four million, forty-one thousand, six hundred sixty-three".