66284046 has 24 divisors (see below), whose sum is σ = 151174920. Its totient is φ = 20931696.

The previous prime is 66284041. The next prime is 66284047. The reversal of 66284046 is 64048266.

It is a happy number.

It is a super-3 number, since 3×66284046³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66284046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66284041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96565 + ... + 97248.

It is an arithmetic number, because the mean of its divisors is an integer number (6298955).

Almost surely, 2^66284046 is an apocalyptic number.

66284046 is an abundant number, since it is smaller than the sum of its proper divisors (84890874).

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

66284046 is a wasteful number, since it uses less digits than its factorization.

66284046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193840 (or 193837 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 66284046 is about 8141.5014585763. The cubic root of 66284046 is about 404.7029188512.

The spelling of 66284046 in words is "sixty-six million, two hundred eighty-four thousand, forty-six".