64340163 has 20 divisors (see below), whose sum is σ = 96476688. Its totient is φ = 42731280.

The previous prime is 64340161. The next prime is 64340173. The reversal of 64340163 is 36104346.

64340163 is a `hidden beast` number, since 643 + 4 + 0 + 16 + 3 = 666.

64340163 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 64340163 - 2¹ = 64340161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (64340161) 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 19 ways as a sum of consecutive naturals, for example, 22378 + ... + 25088.

Almost surely, 2^64340163 is an apocalyptic number.

64340163 is a deficient number, since it is larger than the sum of its proper divisors (32136525).

64340163 is a wasteful number, since it uses less digits than its factorization.

64340163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 64340163 is about 8021.2320126026. The cubic root of 64340163 is about 400.7074210677.

The spelling of 64340163 in words is "sixty-four million, three hundred forty thousand, one hundred sixty-three".