361003663 has 4 divisors (see below), whose sum is σ = 368684640. Its totient is φ = 353322688.

The previous prime is 361003661. The next prime is 361003697. The reversal of 361003663 is 366300163.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 361003663 - 2¹ = 361003661 is a prime.

It is a Duffinian number.

361003663 is a modest number, since divided by 3663 gives 361 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361003661) 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, 3840418 + ... + 3840511.

It is an arithmetic number, because the mean of its divisors is an integer number (92171160).

Almost surely, 2^361003663 is an apocalyptic number.

361003663 is a deficient number, since it is larger than the sum of its proper divisors (7680977).

361003663 is an equidigital number, since it uses as much as digits as its factorization.

361003663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680976.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 361003663 is about 19000.0963944923. The cubic root of 361003663 is about 712.0391441836.

The spelling of 361003663 in words is "three hundred sixty-one million, three thousand, six hundred sixty-three".