66054030 has 32 divisors (see below), whose sum is σ = 181177344. Its totient is φ = 15098016.

The previous prime is 66054019. The next prime is 66054031. The reversal of 66054030 is 3045066.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66054031) 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 15 ways as a sum of consecutive naturals, for example, 157062 + ... + 157481.

It is an arithmetic number, because the mean of its divisors is an integer number (5661792).

Almost surely, 2^66054030 is an apocalyptic number.

66054030 is an abundant number, since it is smaller than the sum of its proper divisors (115123314).

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

66054030 is a wasteful number, since it uses less digits than its factorization.

66054030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314560.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 66054030 is about 8127.3630409869. The cubic root of 66054030 is about 404.2342488515.

Adding to 66054030 its reverse (3045066), we get a palindrome (69099096).

The spelling of 66054030 in words is "sixty-six million, fifty-four thousand, thirty", and thus it is an eban number.