669316001 has 4 divisors (see below), whose sum is σ = 680660400. Its totient is φ = 657971604.

The previous prime is 669315967. The next prime is 669316013. The reversal of 669316001 is 100613966.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 669316001 - 2⁶ = 669315937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669310001) 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, 5672111 + ... + 5672228.

It is an arithmetic number, because the mean of its divisors is an integer number (170165100).

Almost surely, 2^669316001 is an apocalyptic number.

It is an amenable number.

669316001 is a deficient number, since it is larger than the sum of its proper divisors (11344399).

669316001 is a wasteful number, since it uses less digits than its factorization.

669316001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11344398.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 669316001 is about 25871.1422438206. The cubic root of 669316001 is about 874.7361385615.

Adding to 669316001 its reverse (100613966), we get a palindrome (769929967).

The spelling of 669316001 in words is "six hundred sixty-nine million, three hundred sixteen thousand, one".