206612859190 has 24 divisors (see below), whose sum is σ = 392507205840. Its totient is φ = 78295397904.

The previous prime is 206612859169. The next prime is 206612859191. The reversal of 206612859190 is 91958216602.

It is a super-2 number, since 2×206612859190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206612859191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28613130 + ... + 28620349.

It is an arithmetic number, because the mean of its divisors is an integer number (16354466910).

Almost surely, 2^206612859190 is an apocalyptic number.

206612859190 is a deficient number, since it is larger than the sum of its proper divisors (185894346650).

206612859190 is a wasteful number, since it uses less digits than its factorization.

206612859190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57233524 (or 57233505 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 206612859190 in words is "two hundred six billion, six hundred twelve million, eight hundred fifty-nine thousand, one hundred ninety".