66545282 has 8 divisors (see below), whose sum is σ = 103037952. Its totient is φ = 32199300.

The previous prime is 66545273. The next prime is 66545287. The reversal of 66545282 is 28254566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66545287) 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, 536594 + ... + 536717.

It is an arithmetic number, because the mean of its divisors is an integer number (12879744).

Almost surely, 2^66545282 is an apocalyptic number.

66545282 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66545282 is a deficient number, since it is larger than the sum of its proper divisors (36492670).

66545282 is a wasteful number, since it uses less digits than its factorization.

66545282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073344.

The product of its digits is 115200, while the sum is 38.

The square root of 66545282 is about 8157.5291602298. The cubic root of 66545282 is about 405.2338881720.

The spelling of 66545282 in words is "sixty-six million, five hundred forty-five thousand, two hundred eighty-two".