206406057594 has 32 divisors (see below), whose sum is σ = 450424373760. Its totient is φ = 62535639600.

The previous prime is 206406057581. The next prime is 206406057619. The reversal of 206406057594 is 495750604602.

206406057594 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206406057594² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 69099 + ... + 646209.

It is an arithmetic number, because the mean of its divisors is an integer number (14075761680).

Almost surely, 2^206406057594 is an apocalyptic number.

206406057594 is an abundant number, since it is smaller than the sum of its proper divisors (244018316166).

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

206406057594 is a wasteful number, since it uses less digits than its factorization.

206406057594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582546.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 206406057594 in words is "two hundred six billion, four hundred six million, fifty-seven thousand, five hundred ninety-four".