206016481 has 8 divisors (see below), whose sum is σ = 230819904. Its totient is φ = 182225520.

The previous prime is 206016389. The next prime is 206016509. The reversal of 206016481 is 184610602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206016481 is a prime.

It is a super-2 number, since 2×206016481² = 84885580887246722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206016281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252685 + ... + 253498.

It is an arithmetic number, because the mean of its divisors is an integer number (28852488).

Almost surely, 2^206016481 is an apocalyptic number.

It is an amenable number.

206016481 is a deficient number, since it is larger than the sum of its proper divisors (24803423).

206016481 is a wasteful number, since it uses less digits than its factorization.

206016481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506231.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 206016481 is about 14353.2742257647. The cubic root of 206016481 is about 590.6098080730.

The spelling of 206016481 in words is "two hundred six million, sixteen thousand, four hundred eighty-one".