64118 has 4 divisors (see below), whose sum is σ = 96180. Its totient is φ = 32058.

The previous prime is 64109. The next prime is 64123. The reversal of 64118 is 81146.

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

It is a super-2 number, since 2×64118² = 8222235848, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 64118.

It is a congruent number.

It is an unprimeable number.

64118 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16028 + ... + 16031.

It is an arithmetic number, because the mean of its divisors is an integer number (24045).

2⁶⁴¹¹⁸ is an apocalyptic number.

64118 is a deficient number, since it is larger than the sum of its proper divisors (32062).

64118 is a wasteful number, since it uses less digits than its factorization.

64118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32061.

The product of its digits is 192, while the sum is 20.

The square root of 64118 is about 253.2153233910. The cubic root of 64118 is about 40.0245682403.

The spelling of 64118 in words is "sixty-four thousand, one hundred eighteen".