206166046 has 8 divisors (see below), whose sum is σ = 319912920. Its totient is φ = 99528408.

The previous prime is 206166041. The next prime is 206166049. The reversal of 206166046 is 640661602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 206165999 and 206166017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206166041) 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, 1777236 + ... + 1777351.

It is an arithmetic number, because the mean of its divisors is an integer number (39989115).

Almost surely, 2^206166046 is an apocalyptic number.

206166046 is a deficient number, since it is larger than the sum of its proper divisors (113746874).

206166046 is a wasteful number, since it uses less digits than its factorization.

206166046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554618.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 206166046 is about 14358.4834157372. The cubic root of 206166046 is about 590.7526982398.

It can be divided in two parts, 20616 and 6046, that added together give a palindrome (26662).

The spelling of 206166046 in words is "two hundred six million, one hundred sixty-six thousand, forty-six".