664036105 has 32 divisors (see below), whose sum is σ = 853929216. Its totient is φ = 494613504.

The previous prime is 664036103. The next prime is 664036117. The reversal of 664036105 is 501630466.

It is a cyclic number.

It is not a de Polignac number, because 664036105 - 2¹ = 664036103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664036103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696309 + ... + 697261.

It is an arithmetic number, because the mean of its divisors is an integer number (26685288).

Almost surely, 2^664036105 is an apocalyptic number.

It is an amenable number.

664036105 is a deficient number, since it is larger than the sum of its proper divisors (189893111).

664036105 is a wasteful number, since it uses less digits than its factorization.

664036105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 664036105 is about 25768.8980167954. The cubic root of 664036105 is about 872.4299465106.

The spelling of 664036105 in words is "six hundred sixty-four million, thirty-six thousand, one hundred five".