66284130 has 32 divisors (see below), whose sum is σ = 173544768. Its totient is φ = 16068800.

The previous prime is 66284129. The next prime is 66284149. The reversal of 66284130 is 3148266.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100101 + ... + 100760.

It is an arithmetic number, because the mean of its divisors is an integer number (5423274).

Almost surely, 2^66284130 is an apocalyptic number.

66284130 is an abundant number, since it is smaller than the sum of its proper divisors (107260638).

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

66284130 is a wasteful number, since it uses less digits than its factorization.

66284130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200882.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 66284130 is about 8141.5066173283. The cubic root of 66284130 is about 404.7030898075.

The spelling of 66284130 in words is "sixty-six million, two hundred eighty-four thousand, one hundred thirty".