64128059 has 16 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 58824000.

The previous prime is 64128049. The next prime is 64128073. The reversal of 64128059 is 95082146.

64128059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-64128059 is a prime.

It is a super-2 number, since 2×64128059² = 8224815902214962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64128049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148574 + ... + 149004.

It is an arithmetic number, because the mean of its divisors is an integer number (4354560).

Almost surely, 2^64128059 is an apocalyptic number.

64128059 is a deficient number, since it is larger than the sum of its proper divisors (5544901).

64128059 is a wasteful number, since it uses less digits than its factorization.

64128059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 64128059 is about 8007.9996878122. Note that the first 3 decimals coincide. The cubic root of 64128059 is about 400.2666118392.

The spelling of 64128059 in words is "sixty-four million, one hundred twenty-eight thousand, fifty-nine".