33543421066 has 8 divisors (see below), whose sum is σ = 52963296480. Its totient is φ = 15888988908.

The previous prime is 33543421013. The next prime is 33543421069. The reversal of 33543421066 is 66012434533.

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

It is a super-2 number, since 2×33543421066² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33543421069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441360766 + ... + 441360841.

It is an arithmetic number, because the mean of its divisors is an integer number (6620412060).

Almost surely, 2^33543421066 is an apocalyptic number.

33543421066 is a deficient number, since it is larger than the sum of its proper divisors (19419875414).

33543421066 is a wasteful number, since it uses less digits than its factorization.

33543421066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882721628.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 33543421066 its reverse (66012434533), we get a palindrome (99555855599).

The spelling of 33543421066 in words is "thirty-three billion, five hundred forty-three million, four hundred twenty-one thousand, sixty-six".