206360146 has 4 divisors (see below), whose sum is σ = 309540222. Its totient is φ = 103180072.

The previous prime is 206360131. The next prime is 206360171. The reversal of 206360146 is 641063602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641063602 = 2 ⋅320531801.

It can be written as a sum of positive squares in only one way, i.e., 162945225 + 43414921 = 12765^2 + 6589^2 .

It is a super-3 number, since 3×206360146³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 51590035 + ... + 51590038.

Almost surely, 2^206360146 is an apocalyptic number.

206360146 is a deficient number, since it is larger than the sum of its proper divisors (103180076).

206360146 is a wasteful number, since it uses less digits than its factorization.

206360146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103180075.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 206360146 is about 14365.2408959961. The cubic root of 206360146 is about 590.9380328847.

The spelling of 206360146 in words is "two hundred six million, three hundred sixty thousand, one hundred forty-six".