33661061 has 8 divisors (see below), whose sum is σ = 38533440. Its totient is φ = 28804608.

The previous prime is 33661051. The next prime is 33661063. The reversal of 33661061 is 16016633.

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

It is not a de Polignac number, because 33661061 - 2⁶ = 33660997 is a prime.

It is a super-2 number, since 2×33661061² = 2266134055291442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33661061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33661063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (4816680).

Almost surely, 2^33661061 is an apocalyptic number.

It is an amenable number.

33661061 is a deficient number, since it is larger than the sum of its proper divisors (4872379).

33661061 is an equidigital number, since it uses as much as digits as its factorization.

33661061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 33661061 is about 5801.8153193634. The cubic root of 33661061 is about 322.8810822770.

Adding to 33661061 its reverse (16016633), we get a palindrome (49677694).

The spelling of 33661061 in words is "thirty-three million, six hundred sixty-one thousand, sixty-one".