206163652089 has 24 divisors (see below), whose sum is σ = 297954923520. Its totient is φ = 126689445792.

The previous prime is 206163651929. The next prime is 206163652133. The reversal of 206163652089 is 980256361602.

It is not a de Polignac number, because 206163652089 - 2¹⁹ = 206163127801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206163652589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2532409 + ... + 2612550.

It is an arithmetic number, because the mean of its divisors is an integer number (12414788480).

Almost surely, 2^206163652089 is an apocalyptic number.

It is an amenable number.

206163652089 is a deficient number, since it is larger than the sum of its proper divisors (91791271431).

206163652089 is a wasteful number, since it uses less digits than its factorization.

206163652089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145037 (or 5145018 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 206163652089 in words is "two hundred six billion, one hundred sixty-three million, six hundred fifty-two thousand, eighty-nine".