206610189433 has 16 divisors (see below), whose sum is σ = 216439195392. Its totient is φ = 197037360000.

The previous prime is 206610189413. The next prime is 206610189463. The reversal of 206610189433 is 334981016602.

206610189433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 206610189433 - 2³³ = 198020254841 is a prime.

It is a super-2 number, since 2×206610189433² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206610189433.

It is not an unprimeable number, because it can be changed into a prime (206610189413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413458 + ... + 764308.

It is an arithmetic number, because the mean of its divisors is an integer number (13527449712).

Almost surely, 2^206610189433 is an apocalyptic number.

It is an amenable number.

206610189433 is a deficient number, since it is larger than the sum of its proper divisors (9829005959).

206610189433 is a wasteful number, since it uses less digits than its factorization.

206610189433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351216.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 206610189433 in words is "two hundred six billion, six hundred ten million, one hundred eighty-nine thousand, four hundred thirty-three".