206653542 has 16 divisors (see below), whose sum is σ = 413890560. Its totient is φ = 68787272.

The previous prime is 206653537. The next prime is 206653549. The reversal of 206653542 is 245356602.

206653542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206653542² = 85411372842291528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206653549) 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 7 ways as a sum of consecutive naturals, for example, 19638 + ... + 28265.

It is an arithmetic number, because the mean of its divisors is an integer number (25868160).

Almost surely, 2^206653542 is an apocalyptic number.

206653542 is an abundant number, since it is smaller than the sum of its proper divisors (207237018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206653542 is a wasteful number, since it uses less digits than its factorization.

206653542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48627.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 206653542 is about 14375.4492799356. The cubic root of 206653542 is about 591.2179589512.

The spelling of 206653542 in words is "two hundred six million, six hundred fifty-three thousand, five hundred forty-two".