206655542 has 8 divisors (see below), whose sum is σ = 310090032. Its totient is φ = 103292200.

The previous prime is 206655541. The next prime is 206655557. The reversal of 206655542 is 245556602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206655541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9809 + ... + 22572.

It is an arithmetic number, because the mean of its divisors is an integer number (38761254).

Almost surely, 2^206655542 is an apocalyptic number.

206655542 is a deficient number, since it is larger than the sum of its proper divisors (103434490).

206655542 is a wasteful number, since it uses less digits than its factorization.

206655542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35574.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 206655542 is about 14375.5188428105. The cubic root of 206655542 is about 591.2198662209.

The spelling of 206655542 in words is "two hundred six million, six hundred fifty-five thousand, five hundred forty-two".