206228185107 has 32 divisors (see below), whose sum is σ = 318097747968. Its totient is φ = 116403228576.

The previous prime is 206228185103. The next prime is 206228185109. The reversal of 206228185107 is 701581822602.

It is not a de Polignac number, because 206228185107 - 2² = 206228185103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206228185103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16383138 + ... + 16395720.

It is an arithmetic number, because the mean of its divisors is an integer number (9940554624).

Almost surely, 2^206228185107 is an apocalyptic number.

206228185107 is a deficient number, since it is larger than the sum of its proper divisors (111869562861).

206228185107 is a wasteful number, since it uses less digits than its factorization.

206228185107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22079.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 206228185107 in words is "two hundred six billion, two hundred twenty-eight million, one hundred eighty-five thousand, one hundred seven".