1663046363 has 8 divisors (see below), whose sum is σ = 1863266160. Its totient is φ = 1470998880.

The previous prime is 1663046353. The next prime is 1663046377. The reversal of 1663046363 is 3636403661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1663046363 - 2⁴ = 1663046347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1663046353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042648 + ... + 2043461.

It is an arithmetic number, because the mean of its divisors is an integer number (232908270).

Almost surely, 2^1663046363 is an apocalyptic number.

1663046363 is a deficient number, since it is larger than the sum of its proper divisors (200219797).

1663046363 is a wasteful number, since it uses less digits than its factorization.

1663046363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086157.

The product of its (nonzero) digits is 139968, while the sum is 38.

The square root of 1663046363 is about 40780.4654583540. The cubic root of 1663046363 is about 1184.7720102370.

The spelling of 1663046363 in words is "one billion, six hundred sixty-three million, forty-six thousand, three hundred sixty-three".