66305016 has 48 divisors (see below), whose sum is σ = 181864800. Its totient is φ = 21820032.

The previous prime is 66304993. The next prime is 66305017. The reversal of 66305016 is 61050366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66305017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (3788850).

Almost surely, 2^66305016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66305016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90932400).

66305016 is an abundant number, since it is smaller than the sum of its proper divisors (115559784).

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

66305016 is a wasteful number, since it uses less digits than its factorization.

66305016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748 (or 11741 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 66305016 is about 8142.7892027241. The cubic root of 66305016 is about 404.7455923949.

The spelling of 66305016 in words is "sixty-six million, three hundred five thousand, sixteen".