66054060 has 36 divisors (see below), whose sum is σ = 200364528. Its totient is φ = 17614368.

The previous prime is 66054031. The next prime is 66054077. The reversal of 66054060 is 6045066.

66054060 is a `hidden beast` number, since 6 + 60 + 540 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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, 183304 + ... + 183663.

Almost surely, 2^66054060 is an apocalyptic number.

66054060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66054060 is an abundant number, since it is smaller than the sum of its proper divisors (134310468).

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

66054060 is a wasteful number, since it uses less digits than its factorization.

66054060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366982 (or 366977 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 66054060 is about 8127.3648866038. The cubic root of 66054060 is about 404.2343100490.

The spelling of 66054060 in words is "sixty-six million, fifty-four thousand, sixty", and thus it is an eban number.