206163562998 has 16 divisors (see below), whose sum is σ = 434028553920. Its totient is φ = 65104283016.

The previous prime is 206163562937. The next prime is 206163563033. The reversal of 206163562998 is 899265361602.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904226040 + ... + 904226267.

It is an arithmetic number, because the mean of its divisors is an integer number (27126784620).

Almost surely, 2^206163562998 is an apocalyptic number.

206163562998 is an abundant number, since it is smaller than the sum of its proper divisors (227864990922).

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

206163562998 is a wasteful number, since it uses less digits than its factorization.

206163562998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808452331.

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 206163562998 in words is "two hundred six billion, one hundred sixty-three million, five hundred sixty-two thousand, nine hundred ninety-eight".