66254060 has 24 divisors (see below), whose sum is σ = 139299216. Its totient is φ = 26470080.

The previous prime is 66254057. The next prime is 66254063. The reversal of 66254060 is 6045266.

It is an interprime number because it is at equal distance from previous prime (66254057) and next prime (66254063).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (66254063) 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 in 7 ways as a sum of consecutive naturals, for example, 22895 + ... + 25625.

It is an arithmetic number, because the mean of its divisors is an integer number (5804134).

Almost surely, 2^66254060 is an apocalyptic number.

It is an amenable number.

66254060 is an abundant number, since it is smaller than the sum of its proper divisors (73045156).

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

66254060 is a wasteful number, since it uses less digits than its factorization.

66254060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3951 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 66254060 is about 8139.6596980464. The cubic root of 66254060 is about 404.6418822827.

The spelling of 66254060 in words is "sixty-six million, two hundred fifty-four thousand, sixty".