33356566890 has 48 divisors (see below), whose sum is σ = 86736439296. Its totient is φ = 8894124000.

The previous prime is 33356566853. The next prime is 33356566913. The reversal of 33356566890 is 9866565333.

It is a super-2 number, since 2×33356566890² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1296855 + ... + 1322325.

It is an arithmetic number, because the mean of its divisors is an integer number (1807009152).

Almost surely, 2^33356566890 is an apocalyptic number.

33356566890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33356566890 is an abundant number, since it is smaller than the sum of its proper divisors (53379872406).

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

33356566890 is a wasteful number, since it uses less digits than its factorization.

33356566890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40035 (or 40032 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 54.

The spelling of 33356566890 in words is "thirty-three billion, three hundred fifty-six million, five hundred sixty-six thousand, eight hundred ninety".