163463666 has 8 divisors (see below), whose sum is σ = 246466524. Its totient is φ = 81308160.

The previous prime is 163463659. The next prime is 163463693. The reversal of 163463666 is 666364361.

It can be written as a sum of positive squares in 2 ways, for example, as 129299641 + 34164025 = 11371^2 + 5845^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211355 + ... + 212126.

Almost surely, 2^163463666 is an apocalyptic number.

163463666 is a deficient number, since it is larger than the sum of its proper divisors (83002858).

163463666 is a wasteful number, since it uses less digits than its factorization.

163463666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423676.

The product of its digits is 279936, while the sum is 41.

The square root of 163463666 is about 12785.2910017723. The cubic root of 163463666 is about 546.7730220560.

The spelling of 163463666 in words is "one hundred sixty-three million, four hundred sixty-three thousand, six hundred sixty-six".