64016 has 10 divisors (see below), whose sum is σ = 124062. Its totient is φ = 32000.

The previous prime is 64013. The next prime is 64019. The reversal of 64016 is 61046.

It is an interprime number because it is at equal distance from previous prime (64013) and next prime (64019).

It can be written as a sum of positive squares in only one way, i.e., 38416 + 25600 = 196^2 + 160^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 63985 and 64003.

It is not an unprimeable number, because it can be changed into a prime (64013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1985 + ... + 2016.

2⁶⁴⁰¹⁶ is an apocalyptic number.

It is an amenable number.

64016 is a deficient number, since it is larger than the sum of its proper divisors (60046).

64016 is a wasteful number, since it uses less digits than its factorization.

64016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 4003 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 64016 is about 253.0138336139. The cubic root of 64016 is about 40.0033330556.

It can be divided in two parts, 640 and 16, that added together give a palindrome (656).

The spelling of 64016 in words is "sixty-four thousand, sixteen".