206541464386 has 16 divisors (see below), whose sum is σ = 315672017400. Its totient is φ = 101317635328.

The previous prime is 206541464383. The next prime is 206541464411. The reversal of 206541464386 is 683464145602.

It can be written as a sum of positive squares in 4 ways, for example, as 151254877225 + 55286587161 = 388915^2 + 235131^2 .

It is a super-3 number, since 3×206541464386³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (206541464383) 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, 4527780 + ... + 4573168.

Almost surely, 2^206541464386 is an apocalyptic number.

206541464386 is a deficient number, since it is larger than the sum of its proper divisors (109130553014).

206541464386 is a wasteful number, since it uses less digits than its factorization.

206541464386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88373.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 206541464386 in words is "two hundred six billion, five hundred forty-one million, four hundred sixty-four thousand, three hundred eighty-six".