664152295 has 4 divisors (see below), whose sum is σ = 796982760. Its totient is φ = 531321832.

The previous prime is 664152263. The next prime is 664152341. The reversal of 664152295 is 592251466.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 664152295 - 2⁵ = 664152263 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66415225 + ... + 66415234.

It is an arithmetic number, because the mean of its divisors is an integer number (199245690).

Almost surely, 2^664152295 is an apocalyptic number.

664152295 is a deficient number, since it is larger than the sum of its proper divisors (132830465).

664152295 is a wasteful number, since it uses less digits than its factorization.

664152295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132830464.

The product of its digits is 129600, while the sum is 40.

The square root of 664152295 is about 25771.1523801323. The cubic root of 664152295 is about 872.4808281434.

The spelling of 664152295 in words is "six hundred sixty-four million, one hundred fifty-two thousand, two hundred ninety-five".