664000115 has 8 divisors (see below), whose sum is σ = 799098480. Its totient is φ = 529667872.

The previous prime is 664000097. The next prime is 664000147. The reversal of 664000115 is 511000466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 664000115 - 2¹² = 663996019 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189620 + ... + 193089.

It is an arithmetic number, because the mean of its divisors is an integer number (99887310).

Almost surely, 2^664000115 is an apocalyptic number.

664000115 is a deficient number, since it is larger than the sum of its proper divisors (135098365).

664000115 is a wasteful number, since it uses less digits than its factorization.

664000115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383061.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 664000115 is about 25768.1996848829. The cubic root of 664000115 is about 872.4141846562.

The spelling of 664000115 in words is "six hundred sixty-four million, one hundred fifteen", and thus it is an aban number.