163552663 has 8 divisors (see below), whose sum is σ = 169735680. Its totient is φ = 157405920.

The previous prime is 163552657. The next prime is 163552679. The reversal of 163552663 is 366255361.

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 163552663 - 2¹⁷ = 163421591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163558663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 18088.

It is an arithmetic number, because the mean of its divisors is an integer number (21216960).

Almost surely, 2^163552663 is an apocalyptic number.

163552663 is a deficient number, since it is larger than the sum of its proper divisors (6183017).

163552663 is a wasteful number, since it uses less digits than its factorization.

163552663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18137.

The product of its digits is 97200, while the sum is 37.

The square root of 163552663 is about 12788.7709730060. The cubic root of 163552663 is about 546.8722333596.

It can be divided in two parts, 163 and 552663, that added together give a triangular number (552826 = T₁₀₅₁).

The spelling of 163552663 in words is "one hundred sixty-three million, five hundred fifty-two thousand, six hundred sixty-three".