64188 has 18 divisors (see below), whose sum is σ = 162344. Its totient is φ = 21384.

The previous prime is 64187. The next prime is 64189. The reversal of 64188 is 88146.

It is an interprime number because it is at equal distance from previous prime (64187) and next prime (64189).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64187) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 856 + ... + 927.

2⁶⁴¹⁸⁸ is an apocalyptic number.

It is an amenable number.

64188 is an abundant number, since it is smaller than the sum of its proper divisors (98156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64188 is a wasteful number, since it uses less digits than its factorization.

64188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793 (or 1788 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 64188 is about 253.3535079686. The cubic root of 64188 is about 40.0391283784.

It can be divided in two parts, 641 and 88, that added together give a 6-th power (729 = 3⁶).

The spelling of 64188 in words is "sixty-four thousand, one hundred eighty-eight".