206021536214543 has 16 divisors (see below), whose sum is σ = 237838486261824. Its totient is φ = 174801707001600.

The previous prime is 206021536214539. The next prime is 206021536214567. The reversal of 206021536214543 is 345412635120602.

206021536214543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206021536214543 - 2² = 206021536214539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206021536214494 and 206021536214503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206021536214573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30027830 + ... + 36245187.

It is an arithmetic number, because the mean of its divisors is an integer number (14864905391364).

Almost surely, 2^{206021536214543} is an apocalyptic number.

206021536214543 is a deficient number, since it is larger than the sum of its proper divisors (31816950047281).

206021536214543 is a wasteful number, since it uses less digits than its factorization.

206021536214543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66277522.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 206021536214543 in words is "two hundred six trillion, twenty-one billion, five hundred thirty-six million, two hundred fourteen thousand, five hundred forty-three".