33336666 has 48 divisors (see below), whose sum is σ = 79623648. Its totient is φ = 9996000.

The previous prime is 33336623. The next prime is 33336727. The reversal of 33336666 is 66663333.

It is a super-2 number, since 2×33336666² = 2222666599991112, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 33336666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19165 + ... + 20831.

It is an arithmetic number, because the mean of its divisors is an integer number (1658826).

Almost surely, 2^33336666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33336666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39811824).

33336666 is an abundant number, since it is smaller than the sum of its proper divisors (46286982).

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

33336666 is a wasteful number, since it uses less digits than its factorization.

33336666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1784 counting only the distinct ones).

The product of its digits is 104976, while the sum is 36.

The square root of 33336666 is about 5773.7913020822. The cubic root of 33336666 is about 321.8405200254.

Adding to 33336666 its reverse (66663333), we get a palindrome (99999999).

It can be divided in two parts, 3333 and 6666, that added together give a palindrome (9999).

The spelling of 33336666 in words is "thirty-three million, three hundred thirty-six thousand, six hundred sixty-six".