206155101207 has 48 divisors (see below), whose sum is σ = 304090246656. Its totient is φ = 124136073600.

The previous prime is 206155101161. The next prime is 206155101227. The reversal of 206155101207 is 702101551602.

It is not a de Polignac number, because 206155101207 - 2²⁰ = 206154052631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206155101227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37432348 + ... + 37437854.

It is an arithmetic number, because the mean of its divisors is an integer number (6335213472).

Almost surely, 2^206155101207 is an apocalyptic number.

206155101207 is a deficient number, since it is larger than the sum of its proper divisors (97935145449).

206155101207 is a wasteful number, since it uses less digits than its factorization.

206155101207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180 (or 6169 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 206155101207 its reverse (702101551602), we get a palindrome (908256652809).

The spelling of 206155101207 in words is "two hundred six billion, one hundred fifty-five million, one hundred one thousand, two hundred seven".