64026066 has 64 divisors (see below), whose sum is σ = 145877760. Its totient is φ = 18585600.

The previous prime is 64026019. The next prime is 64026073. The reversal of 64026066 is 66062046.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159466 + ... + 159866.

It is an arithmetic number, because the mean of its divisors is an integer number (2279340).

Almost surely, 2^64026066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64026066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72938880).

64026066 is an abundant number, since it is smaller than the sum of its proper divisors (81851694).

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

64026066 is a wasteful number, since it uses less digits than its factorization.

64026066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 64026066 is about 8001.6289591558. The cubic root of 64026066 is about 400.0542967960.

The spelling of 64026066 in words is "sixty-four million, twenty-six thousand, sixty-six".