206153354545130 has 8 divisors (see below), whose sum is σ = 371076038181252. Its totient is φ = 82461341818048.

The previous prime is 206153354545121. The next prime is 206153354545163. The reversal of 206153354545130 is 31545453351602.

It can be written as a sum of positive squares in 2 ways, for example, as 205674807428689 + 478547116441 = 14341367^2 + 691771^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10307667727247 + ... + 10307667727266.

Almost surely, 2^{206153354545130} is an apocalyptic number.

206153354545130 is a deficient number, since it is larger than the sum of its proper divisors (164922683636122).

206153354545130 is a wasteful number, since it uses less digits than its factorization.

206153354545130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20615335454520.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 206153354545130 in words is "two hundred six trillion, one hundred fifty-three billion, three hundred fifty-four million, five hundred forty-five thousand, one hundred thirty".