33280086656 has 16 divisors (see below), whose sum is σ = 66300172890. Its totient is φ = 16640043264.

The previous prime is 33280086643. The next prime is 33280086659. The reversal of 33280086656 is 65668008233.

It can be written as a sum of positive squares in only one way, i.e., 30877518400 + 2402568256 = 175720^2 + 49016^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×33280086656² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33280086656.

It is not an unprimeable number, because it can be changed into a prime (33280086659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130000211 + ... + 130000466.

Almost surely, 2^33280086656 is an apocalyptic number.

It is an amenable number.

33280086656 is a deficient number, since it is larger than the sum of its proper divisors (33020086234).

33280086656 is an equidigital number, since it uses as much as digits as its factorization.

33280086656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260000691 (or 260000679 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 33280086656 in words is "thirty-three billion, two hundred eighty million, eighty-six thousand, six hundred fifty-six".