66106284 has 12 divisors (see below), whose sum is σ = 154248024. Its totient is φ = 22035424.

The previous prime is 66106279. The next prime is 66106289. The reversal of 66106284 is 48260166.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66106279) and next prime (66106289).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×66106284³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66106289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754417 + ... + 2754440.

It is an arithmetic number, because the mean of its divisors is an integer number (12854002).

Almost surely, 2^66106284 is an apocalyptic number.

It is an amenable number.

66106284 is an abundant number, since it is smaller than the sum of its proper divisors (88141740).

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

66106284 is a wasteful number, since it uses less digits than its factorization.

66106284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508864 (or 5508862 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 66106284 is about 8130.5771012887. The cubic root of 66106284 is about 404.3408145873.

The spelling of 66106284 in words is "sixty-six million, one hundred six thousand, two hundred eighty-four".