33550028066 has 16 divisors (see below), whose sum is σ = 50853863256. Its totient is φ = 16598808576.

The previous prime is 33550028011. The next prime is 33550028081. The reversal of 33550028066 is 66082005533.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31265666041 + 2284362025 = 176821^2 + 47795^2 .

It is a super-2 number, since 2×33550028066² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192190 + ... + 1220006.

Almost surely, 2^33550028066 is an apocalyptic number.

33550028066 is a deficient number, since it is larger than the sum of its proper divisors (17303835190).

33550028066 is a wasteful number, since it uses less digits than its factorization.

33550028066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34133.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 33550028066 in words is "thirty-three billion, five hundred fifty million, twenty-eight thousand, sixty-six".