66284086 has 8 divisors (see below), whose sum is σ = 108464904. Its totient is φ = 30129120.

The previous prime is 66284083. The next prime is 66284087. The reversal of 66284086 is 68048266.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66284083) 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, 1506435 + ... + 1506478.

It is an arithmetic number, because the mean of its divisors is an integer number (13558113).

Almost surely, 2^66284086 is an apocalyptic number.

66284086 is a deficient number, since it is larger than the sum of its proper divisors (42180818).

66284086 is a wasteful number, since it uses less digits than its factorization.

66284086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012926.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 66284086 is about 8141.5039151253. The cubic root of 66284086 is about 404.7030002590.

It can be divided in two parts, 662 and 84086, that added together give a palindrome (84748).

The spelling of 66284086 in words is "sixty-six million, two hundred eighty-four thousand, eighty-six".