66305084 has 6 divisors (see below), whose sum is σ = 116033904. Its totient is φ = 33152540.

The previous prime is 66305081. The next prime is 66305101. The reversal of 66305084 is 48050366.

It is a self number, because there is not a number n which added to its sum of digits gives 66305084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66305081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8288132 + ... + 8288139.

It is an arithmetic number, because the mean of its divisors is an integer number (19338984).

Almost surely, 2^66305084 is an apocalyptic number.

It is an amenable number.

66305084 is a deficient number, since it is larger than the sum of its proper divisors (49728820).

66305084 is a wasteful number, since it uses less digits than its factorization.

66305084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16576275 (or 16576273 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 66305084 is about 8142.7933781965. The cubic root of 66305084 is about 404.7457307590.

The spelling of 66305084 in words is "sixty-six million, three hundred five thousand, eighty-four".