206416147 has 4 divisors (see below), whose sum is σ = 235904176. Its totient is φ = 176928120.

The previous prime is 206416141. The next prime is 206416157. The reversal of 206416147 is 741614602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206416147 - 2³ = 206416139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206416141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14744004 + ... + 14744017.

It is an arithmetic number, because the mean of its divisors is an integer number (58976044).

Almost surely, 2^206416147 is an apocalyptic number.

206416147 is a deficient number, since it is larger than the sum of its proper divisors (29488029).

206416147 is an equidigital number, since it uses as much as digits as its factorization.

206416147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29488028.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 206416147 is about 14367.1899479335. The cubic root of 206416147 is about 590.9914833342.

The spelling of 206416147 in words is "two hundred six million, four hundred sixteen thousand, one hundred forty-seven".