65643314 has 16 divisors (see below), whose sum is σ = 108241056. Its totient is φ = 29608800.

The previous prime is 65643313. The next prime is 65643329. The reversal of 65643314 is 41334656.

It is not an unprimeable number, because it can be changed into a prime (65643313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8507 + ... + 14270.

It is an arithmetic number, because the mean of its divisors is an integer number (6765066).

Almost surely, 2^65643314 is an apocalyptic number.

65643314 is a deficient number, since it is larger than the sum of its proper divisors (42597742).

65643314 is a wasteful number, since it uses less digits than its factorization.

65643314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22921.

The product of its digits is 25920, while the sum is 32.

The square root of 65643314 is about 8102.0561587785. The cubic root of 65643314 is about 403.3946797080.

The spelling of 65643314 in words is "sixty-five million, six hundred forty-three thousand, three hundred fourteen".