66027064 has 8 divisors (see below), whose sum is σ = 123800760. Its totient is φ = 33013528.

The previous prime is 66027061. The next prime is 66027067. The reversal of 66027064 is 46072066.

It is an interprime number because it is at equal distance from previous prime (66027061) and next prime (66027067).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66027061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126684 + ... + 4126699.

It is an arithmetic number, because the mean of its divisors is an integer number (15475095).

Almost surely, 2^66027064 is an apocalyptic number.

It is an amenable number.

66027064 is a deficient number, since it is larger than the sum of its proper divisors (57773696).

66027064 is a wasteful number, since it uses less digits than its factorization.

66027064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253389 (or 8253385 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 66027064 is about 8125.7039079701. The cubic root of 66027064 is about 404.1792329580.

The spelling of 66027064 in words is "sixty-six million, twenty-seven thousand, sixty-four".