2206638933890 has 16 divisors (see below), whose sum is σ = 3972073636800. Its totient is φ = 882628116720.

The previous prime is 2206638933881. The next prime is 2206638933907. The reversal of 2206638933890 is 983398366022.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 3092966 + ... + 3738945.

It is an arithmetic number, because the mean of its divisors is an integer number (248254602300).

Almost surely, 2^{2206638933890} is an apocalyptic number.

2206638933890 is a deficient number, since it is larger than the sum of its proper divisors (1765434702910).

2206638933890 is a wasteful number, since it uses less digits than its factorization.

2206638933890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864217.

The product of its (nonzero) digits is 20155392, while the sum is 59.

The spelling of 2206638933890 in words is "two trillion, two hundred six billion, six hundred thirty-eight million, nine hundred thirty-three thousand, eight hundred ninety".