206168002 has 4 divisors (see below), whose sum is σ = 309252006. Its totient is φ = 103084000.

The previous prime is 206167943. The next prime is 206168003. The reversal of 206168002 is 200861602.

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

It can be written as a sum of positive squares in only one way, i.e., 161264601 + 44903401 = 12699^2 + 6701^2 .

It is not an unprimeable number, because it can be changed into a prime (206168003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51541999 + ... + 51542002.

Almost surely, 2^206168002 is an apocalyptic number.

206168002 is a deficient number, since it is larger than the sum of its proper divisors (103084004).

206168002 is a wasteful number, since it uses less digits than its factorization.

206168002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103084003.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 206168002 is about 14358.5515286188. The cubic root of 206168002 is about 590.7545664890.

The spelling of 206168002 in words is "two hundred six million, one hundred sixty-eight thousand, two".