206081804741 has 12 divisors (see below), whose sum is σ = 222860139180. Its totient is φ = 190324411200.

The previous prime is 206081804729. The next prime is 206081804771. The reversal of 206081804741 is 147408180602.

It can be written as a sum of positive squares in 2 ways, for example, as 53164830625 + 152916974116 = 230575^2 + 391046^2 .

It is not a de Polignac number, because 206081804741 - 2¹⁰ = 206081803717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206081804711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6701360 + ... + 6732041.

It is an arithmetic number, because the mean of its divisors is an integer number (18571678265).

Almost surely, 2^206081804741 is an apocalyptic number.

It is an amenable number.

206081804741 is a deficient number, since it is larger than the sum of its proper divisors (16778334439).

206081804741 is a wasteful number, since it uses less digits than its factorization.

206081804741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13433476 (or 13433453 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 206081804741 in words is "two hundred six billion, eighty-one million, eight hundred four thousand, seven hundred forty-one".