66366030 has 32 divisors (see below), whose sum is σ = 160696224. Its totient is φ = 17540096.

The previous prime is 66366029. The next prime is 66366037. The reversal of 66366030 is 3066366.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66366037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6399 + ... + 13178.

It is an arithmetic number, because the mean of its divisors is an integer number (5021757).

Almost surely, 2^66366030 is an apocalyptic number.

66366030 is an abundant number, since it is smaller than the sum of its proper divisors (94330194).

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

66366030 is a wasteful number, since it uses less digits than its factorization.

66366030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19700.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 66366030 is about 8146.5348461785. The cubic root of 66366030 is about 404.8697035512.

The spelling of 66366030 in words is "sixty-six million, three hundred sixty-six thousand, thirty".