206655604886427 has 64 divisors (see below), whose sum is σ = 282700736464896. Its totient is φ = 134219261030400.

The previous prime is 206655604886411. The next prime is 206655604886449. The reversal of 206655604886427 is 724688406556602.

It is not a de Polignac number, because 206655604886427 - 2⁴ = 206655604886411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206655603886427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73726579008 + ... + 73726581810.

It is an arithmetic number, because the mean of its divisors is an integer number (4417199007264).

Almost surely, 2^{206655604886427} is an apocalyptic number.

206655604886427 is a deficient number, since it is larger than the sum of its proper divisors (76045131578469).

206655604886427 is a wasteful number, since it uses less digits than its factorization.

206655604886427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540.

The product of its (nonzero) digits is 928972800, while the sum is 69.

The spelling of 206655604886427 in words is "two hundred six trillion, six hundred fifty-five billion, six hundred four million, eight hundred eighty-six thousand, four hundred twenty-seven".