206226127086 has 32 divisors (see below), whose sum is σ = 481403243520. Its totient is φ = 57668095776.

The previous prime is 206226127031. The next prime is 206226127117. The reversal of 206226127086 is 680721622602.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52233621 + ... + 52237568.

It is an arithmetic number, because the mean of its divisors is an integer number (15043851360).

Almost surely, 2^206226127086 is an apocalyptic number.

206226127086 is an abundant number, since it is smaller than the sum of its proper divisors (275177116434).

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

206226127086 is a wasteful number, since it uses less digits than its factorization.

206226127086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104471248.

The product of its (nonzero) digits is 193536, while the sum is 42.

Adding to 206226127086 its reverse (680721622602), we get a palindrome (886947749688).

The spelling of 206226127086 in words is "two hundred six billion, two hundred twenty-six million, one hundred twenty-seven thousand, eighty-six".