669583163 has 4 divisors (see below), whose sum is σ = 669794520. Its totient is φ = 669371808.

The previous prime is 669583157. The next prime is 669583171. The reversal of 669583163 is 361385966.

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

It is a cyclic number.

It is not a de Polignac number, because 669583163 - 2¹² = 669579067 is a prime.

It is a super-2 number, since 2×669583163² = 896683224346169138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669583363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100853 + ... + 107286.

It is an arithmetic number, because the mean of its divisors is an integer number (167448630).

Almost surely, 2^669583163 is an apocalyptic number.

669583163 is a deficient number, since it is larger than the sum of its proper divisors (211357).

669583163 is a wasteful number, since it uses less digits than its factorization.

669583163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211356.

The product of its digits is 699840, while the sum is 47.

The square root of 669583163 is about 25876.3050492144. The cubic root of 669583163 is about 874.8525086911.

The spelling of 669583163 in words is "six hundred sixty-nine million, five hundred eighty-three thousand, one hundred sixty-three".