206144036351 has 8 divisors (see below), whose sum is σ = 230114273664. Its totient is φ = 183045444120.

The previous prime is 206144036323. The next prime is 206144036359. The reversal of 206144036351 is 153630441602.

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

It is not a de Polignac number, because 206144036351 - 2¹⁰ = 206144035327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206144036359) 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, 217910771 + ... + 217911716.

It is an arithmetic number, because the mean of its divisors is an integer number (28764284208).

Almost surely, 2^206144036351 is an apocalyptic number.

206144036351 is a deficient number, since it is larger than the sum of its proper divisors (23970237313).

206144036351 is a wasteful number, since it uses less digits than its factorization.

206144036351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435822541.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 206144036351 its reverse (153630441602), we get a palindrome (359774477953).

The spelling of 206144036351 in words is "two hundred six billion, one hundred forty-four million, thirty-six thousand, three hundred fifty-one".