206794147858 has 16 divisors (see below), whose sum is σ = 314709199776. Its totient is φ = 101893502880.

The previous prime is 206794147843. The next prime is 206794147877. The reversal of 206794147858 is 858741497602.

It is a junction number, because it is equal to n+sod(n) for n = 206794147796 and 206794147805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433816 + ... + 775747.

It is an arithmetic number, because the mean of its divisors is an integer number (19669324986).

Almost surely, 2^206794147858 is an apocalyptic number.

206794147858 is a deficient number, since it is larger than the sum of its proper divisors (107915051918).

206794147858 is a wasteful number, since it uses less digits than its factorization.

206794147858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210809.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 206794147858 in words is "two hundred six billion, seven hundred ninety-four million, one hundred forty-seven thousand, eight hundred fifty-eight".