206554601042 has 8 divisors (see below), whose sum is σ = 309834071676. Its totient is φ = 103276577152.

The previous prime is 206554601041. The next prime is 206554601047. The reversal of 206554601042 is 240106455602.

It can be written as a sum of positive squares in 2 ways, for example, as 202159043641 + 4395557401 = 449621^2 + 66299^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 206554600993 and 206554601011.

It is not an unprimeable number, because it can be changed into a prime (206554601041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 127658 + ... + 655290.

Almost surely, 2^206554601042 is an apocalyptic number.

206554601042 is a deficient number, since it is larger than the sum of its proper divisors (103279470634).

206554601042 is a wasteful number, since it uses less digits than its factorization.

206554601042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723372.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 206554601042 in words is "two hundred six billion, five hundred fifty-four million, six hundred one thousand, forty-two".