206860642330 has 16 divisors (see below), whose sum is σ = 372377080224. Its totient is φ = 82738051600.

The previous prime is 206860642321. The next prime is 206860642381. The reversal of 206860642330 is 33246068602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634432 + ... + 903451.

It is an arithmetic number, because the mean of its divisors is an integer number (23273567514).

Almost surely, 2^206860642330 is an apocalyptic number.

206860642330 is a deficient number, since it is larger than the sum of its proper divisors (165516437894).

206860642330 is a wasteful number, since it uses less digits than its factorization.

206860642330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551341.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 206860642330 in words is "two hundred six billion, eight hundred sixty million, six hundred forty-two thousand, three hundred thirty".