663326005 has 16 divisors (see below), whose sum is σ = 853701120. Its totient is φ = 493242048.

The previous prime is 663325981. The next prime is 663326029. The reversal of 663326005 is 500623366.

663326005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (663325981) and next prime (663326029).

It is a cyclic number.

It is not a de Polignac number, because 663326005 - 2¹³ = 663317813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60837 + ... + 70906.

It is an arithmetic number, because the mean of its divisors is an integer number (53356320).

Almost surely, 2^663326005 is an apocalyptic number.

It is an amenable number.

663326005 is a deficient number, since it is larger than the sum of its proper divisors (190375115).

663326005 is a wasteful number, since it uses less digits than its factorization.

663326005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131820.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 663326005 is about 25755.1160937007. The cubic root of 663326005 is about 872.1188522488.

The spelling of 663326005 in words is "six hundred sixty-three million, three hundred twenty-six thousand, five".