664160315 has 32 divisors (see below), whose sum is σ = 983141376. Its totient is φ = 419437440.

The previous prime is 664160297. The next prime is 664160339. The reversal of 664160315 is 513061466.

664160315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 664160315 - 2⁶ = 664160251 is a prime.

It is a super-2 number, since 2×664160315² = 882217848041798450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236570 + ... + 239360.

It is an arithmetic number, because the mean of its divisors is an integer number (30723168).

Almost surely, 2^664160315 is an apocalyptic number.

664160315 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

664160315 is a deficient number, since it is larger than the sum of its proper divisors (318981061).

664160315 is a wasteful number, since it uses less digits than its factorization.

664160315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 664160315 is about 25771.3079799998. The cubic root of 664160315 is about 872.4843400226.

The spelling of 664160315 in words is "six hundred sixty-four million, one hundred sixty thousand, three hundred fifteen".