64343111 has 16 divisors (see below), whose sum is σ = 76608000. Its totient is φ = 52889760.

The previous prime is 64343087. The next prime is 64343119. The reversal of 64343111 is 11134346.

It is a de Polignac number, because none of the positive numbers 2^k-64343111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64343119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16640 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (4788000).

Almost surely, 2^64343111 is an apocalyptic number.

64343111 is a deficient number, since it is larger than the sum of its proper divisors (12264889).

64343111 is a wasteful number, since it uses less digits than its factorization.

64343111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614.

The product of its digits is 864, while the sum is 23.

The square root of 64343111 is about 8021.4157727922. The cubic root of 64343111 is about 400.7135409747.

Adding to 64343111 its reverse (11134346), we get a palindrome (75477457).

The spelling of 64343111 in words is "sixty-four million, three hundred forty-three thousand, one hundred eleven".